REFERENCES

Alvarez, W. and Vann, D.W. 1979. Comment: Biostratigraphy and magnetostratigraphy of Paleocene terrestrial deposits, San Juan Basin New Mexico (Lindsay and others 1978). Geology, 7:66-67.

Anders, E. and Grevesse, N. 1989. Abundances of the elements: Meteoritic and solar. Geochimica et Cosmochimica Acta, 53:197-214.

Anderson, R.Y. 1960. Cretaceous-Tertiary palynology eastern side of the San Juan Basin New Mexico. New Mexico Bureau of Mines and Mineral Resources Memoir 6.

Baltz, E.H. 1967. Stratigraphy and regional tectonic implications of part of Upper Cretaceous and Tertiary rocks east-central San Juan Basin New Mexico. USGS Professional Paper 552.

Baltz, E.H., Ash, S.R., and Anderson, R.Y. 1966. History of nomenclature and stratigraphy of rocks adjacent to the Cretaceous-Tertiary boundary Western San Juan Basin New Mexico. USGS Professional Paper 524-D.

Barnes, H., Baltz, E.H., Jr., and Hayes, P.T. 1954. Geology and fuel resources of the red Mesa area, La Plata and Montezuma Counties, Colorado. USGS Oil and Gas Investigations Map OM-149.

Bauer, C.M. 1916. Stratigraphy of a part of the Chaco River valley. USGS Professional Paper, 98-P: 271-278 [1917].

Brown, B. 1910. The Cretaceous Ojo Alamo Beds of New Mexico with description of the new dinosaur genus Kritosaurus. American Museum of Natural History Bulletin, 28:267-274.

Brown, J.L. 1982. Geologic map of the Alamo Mesa East Quadrangle. USGS Miscellaneous Field Studies Map MF-1497, scale 1:24,000.

Butler, R.F. and Lindsay, E.H. 1985. Mineralogy of magnetic minerals and revised magnetic polarity stratigraphy of continental sediments, San Juan Basin, New Mexico. Journal of Geology, 535-554.

Butler, R.F., Lindsay, E.H., Jacobs, L.L., and Johnson, N.M. 1977. Magnetostratigraphy of the Cretaceous-Tertiary boundary in the San Juan Basin, New Mexico. Nature, 267:318-323.

Cande, S.C. and Kent, D.V. 1992. A new geomagnetic polarity time scale for the Late Cretaceous and Cenozoic. Journal of Geophysical Research, 97:B10:13,917-13,951.

Cande, S.C. and Kent, D.V. 1995. Revised calibration of the geomagnetic polarity time scale for the Late Cretaceous and Cenozoic. Journal of Geophysical Research, 100:6093-6095.

Carr, T.D. and Williamson, T.E. 2000. A review of Tyrannosauridae (Dinosauria, Coelurosauria) from New Mexico. New Mexico Museum of Natural History and Science Bulletin 17:113-145.

Cifelli, R.L., Nydam, R.L., Eeaton, J.G., Gardner, J.D., and Kirkland, J.I. 1999. Vertebrate faunas of the North Horn Formation (Upper Cretaceous-lower Paleocene), Emery and Sanpete Counties, Utah, p. 377-388. In Gillette, D.D. (ed.), Vertebrate paleontology in Utah. Utah Geological Survey Miscellaneous Publication, Salt Lake City, Utah.

Clemens, W.A. 1964. Fossil mammals of the type Lance Formation, Wyoming, Part I. Introduction and Multituberculata. University of California Publication Geologic Science, v. 48.

Clemens, W.A. 1973a. Fossil mammals of the type Lance Formation, Wyoming, Part III, Eutheria and summary. University of California Publication Geologic Science, v. 94.

Clemens, W.A. 1973b. The roles of fossil vertebrates in interpretation of Late Cretaceous stratigraphy of the San Juan Basin, New Mexico, p. 154-167. In Fassett, J.E. (ed.), Cretaceous and Tertiary rocks of the Colorado Plateau. Four Corners Geological Society Memoir.

Clemens, W.A. and Williamson, T.E. 2005. A new species of Eoconodon (Triisodontidae, Mammalia) from the San Juan Basin, New Mexico. Journal of Vertebrate Paleontology, 25 no. 1:208-213.

Cobban, W.A. 1973. Significant ammonite finds in uppermost Mancos Shale and overlying formations between Barker Dome, New Mexico, and Grand Junction, Colorado, p. 148-167. In Fassett, J.E. (ed.), Cretaceous and Tertiary rocks of the southern Colorado Plateau. Four Corners Geological Society Memoir.

Cobban, W.A., Landis, E.R., and Dane, C.H. 1974. Age relations of upper part of Lewis Shale on east side of San Juan Basin, New Mexico, p. 279-282. In Siemers, C.T. (ed.) Ghost Ranch. New Mexico Geological Society 28th Field Conference Guidebook.

Cope, E.D. 1881. Mammals of the lowest Eocene. American Naturalist, 15:829-831.

Dane, C.H. 1936. The La Ventana-Chacra Mesa coal field. Geology and fuel resources of the southern part of the San Juan Basin, New Mexico, part 3. USGS Bulletin, 860C:81-161 (1937).

Difley, R. and Ekdale, A.A. 1999. Stratigraphic aspects of the Cretaceous-Tertiary (K-T) boundary interval at North Horn Mountain, Emery County, Utah, p. 389-398. In Gillette, D.D. (ed.), Vertebrate paleontology in Utah. Utah Geological Survey Miscellaneous Publication, Salt Lake City, Utah.

Dilworth, O.L. 1960. Upper Cretaceous Farmington Sandstone of northeastern San Juan County, New Mexico (M.S. thesis). University of New Mexico, Albuquerque, New Mexico.

Farke, A.A. 2002. A review of ''Torosaurus'' (Dinosauria: Ceratopsidae) specimens from Texas and New Mexico, USA. Journal of Vertebrate Paleontology, 22 (Suppl. 3):52A.

Farke, A.A. and Williamson, T.E. 2006. A ceratopsid dinosaur parietal from New Mexico and its implications for ceratopsid biogeography and systematics. Journal of Vertebrate Paleontology, 26:1018-1020.

Fassett, J.E. 1966. Geologic map of the Mesa Portales quadrangle, Sandoval County, New Mexico USGS Geologic Quadrangle Map GQ-590.

Fassett, J.E. 1968a. Core description from GB-1 (Gasbuggy 1) in the northeastern part of the San Juan Basin, Rio Arriba County, New Mexico. USGS open-file report 68-99.

Fassett, J.E. 1968b. Summary of geologic data obtained from borehole GB-1, Project Gasbuggy, p. 24-27. In Shomaker, J. (ed.), San Juan-San Miguel-La Plata Region. New Mexico Geological Society 19th Field Conference Guidebook.

Fassett, J.E. 1973. The saga of the Ojo Alamo Sandstone; or the rock-stratigrapher and the paleontologist should be friends, p. 123-130. In Fassett, J.E. (ed.), Cretaceous and Tertiary rocks of the Colorado Plateau. Four Corners Geological Society Memoir.

Fassett, J.E. 1979. Comment: Biostratigraphy and magnetostratigraphy of Paleocene terrestrial deposits, San Juan Basin, New Mexico (Lindsay and others 1978). Geology, 7:2:69-70.

Fassett, J.E. 1982. Dinosaurs in the San Juan Basin, New Mexico, may have survived the event that resulted in creation of an iridium-enriched zone near the Cretaceous-Tertiary boundary, p. 435-447. In Silver, L.T. and Schultz, P.H. (eds.), Geological Implications of impacts of large asteroids and comets on the earth. GSA Special Paper 190.

Fassett, J.E. 1985. Early Tertiary paleogeography and paleotectonics of the San Juan Basin area, New Mexico and Colorado, p. 317-334. In Flores, R.M. and Kaplan, S.S. (eds.), Cenozoic paleogeography of the west-central United States (Rocky Mountain paleogeography symposium 3). Rocky Mountain Section, Society of Economic Paleontologists and Mineralogists.

Fassett, J.E. 1987. The age of the continental, Upper Cretaceous, Fruitland Formation and Kirtland Shale based on a projection of ammonite zones from the Lewis Shale, San Juan Basin, New Mexico and Colorado, p 5-16. In Fassett, J.E. and Rigby, J.K., Jr. (eds.), The Cretaceous-Tertiary boundary in the San Juan and Raton Basins, New Mexico and Colorado. GSA Special Paper 209.

Fassett, J.E. 2000. Geology and coal resources of the Upper Cretaceous Fruitland Formation, San Juan Basin, New Mexico and Colorado. In Kirschbaum, M.A., Roberts, L.N.R., and Biewick, L.R.H., (eds.). Geologic assessment of coal in the Colorado Plateau: Arizona, Colorado, New Mexico, and Utah. USGS Professional Paper 1625-B, Chapter Q (published in digital form on CD-ROM).

Fassett, J.E. and Hinds, J.S. 1971. Geology and fuel resources of the Fruitland Formation and Kirtland Shale of the San Juan Basin, New Mexico and Colorado. USGS Professional Paper 676.

Fassett, J.E. and Lucas, S.G. 2000. Evidence for Paleocene dinosaurs in the Ojo Alamo Sandstone, San Juan Basin, New Mexico, p. 221-230. In Lucas, S.G. and Heckert, A.B. (eds.), Dinosaurs of New Mexico. New Mexico Museum of Natural History and Science Bulletin 17.

Fassett, J.E. and Rigby, J.K., Jr. (eds.). 1987. The Cretaceous-Tertiary boundary in the San Juan and Raton Basins, New Mexico and Colorado. GSA Special Paper 209.

Fassett, J.E. and Steiner, M.B. 1997. Precise age of C33n-C32r magnetic polarity reversal, San Juan Basin, New Mexico and Colorado, p. 239-247. In Anderson, O.J., Kues, B.S., and Lucas, S.G. (eds.), Mesozoic geology and paleontology of the Four Corners Region. New Mexico Geological Society 48th Field Conference Guidebook.

Fassett, J.E., Cobban, W.A., and Obradovich, J.D. 1997. Biostratigraphic and isotopic age of the Huerfanito Bentonite Bed of the Upper Cretaceous Lewis Shale at an outcrop near Regina, New Mexico, p. 229-232. In Anderson, O.J., Kues, B.S., and Lucas, S.G. (eds.), Mesozoic geology and paleontology of the Four Corners Region. New Mexico Geological Society 48th Field Conference Guidebook.

Fassett, J.E., Heizler, M.T., and McIntosh, W. 2007. Geochronology of lowermost Paleocene Nacimiento and Ojo Alamo formations, San Juan Basin, New Mexico (abs.). GSA National Meeting, Denver, Colorado.

Fassett, J.E., Lucas, S.G., and O'Neill, F.M. 1987. Dinosaurs, pollen and spores, and the age of the Ojo Alamo Sandstone, San Juan Basin, New Mexico, p 17-34. In Fassett, J.E. and Rigby, J.K., Jr. (eds.), The Cretaceous-Tertiary boundary in the San Juan and Raton Basins, New Mexico and Colorado. GSA Special Paper 209.

Fassett, J.E., Zielinski, R.A., and Budahn, J.R. 2002. Dinosaurs that did not die: Evidence for Paleocene dinosaurs in the Ojo Alamo Sandstone, San Juan Basin, New Mexico, p. 307-336. In Koerble, C. and McLeod, K.G. (eds.), Catastrophic Events and Mass Extinctions: Impacts and Beyond. GSA Special Paper 356.

Fleming, R.F. 1990. Palynology of the Cretaceous-Tertiary boundary interval and Paleocene part of the Raton Formation, Colorado and New Mexico (Ph.D. dissertation). University of Colorado, Boulder, Colorado.

Flynn, L.J. 1986. Late Cretaceous mammal horizons from the San Juan Basin, New Mexico. American Museum of Natural History Novitates, 2845.

Fox, R.C. 1977. Notes on the dentition and relationships of the Late Cretaceous insectivore Gypsonictops Simpson. Canadian Journal of Earth Sciences, 14, no. 8:1823-1831.

Fox, R.C. 1979a. Mammals from the Upper Cretaceous Oldman Formation, Alberta; I. Alphadon Simpson (Marsupialia). Canadian Journal of Earth Sciences, 16, no. 1:91-102.

Fox, R.C. 1979b. Mammals from the Upper Cretaceous Oldman Formation, Alberta; II Pediomys Marsh (Marsupialia). Canadian Journal of Earth Sciences, 16, no. 1:103-113.

Fox, R.C. 1979c. Mammals from the Upper Cretaceous Oldman Formation, Alberta; III, Eutheria. Canadian Journal of Earth Sciences, 16, no.1:114-125.

Fox, R.C. 1981. Mammals from the Upper Cretaceous Oldman Formation, Alberta; V, eodelphus Matthew, and the evolution of the Stagodontidae (Marsupialia). Canadian Journal of Earth Sciences, 18, no. 2:350-365.

Fox, R.C. and Naylor, B.G. 2003. A Late Cretaceous taeniodont (Eutheria, Mammalia) from Alberta, Canada. Neues Jahrbuch für Geologie und Paläontologie, Abhandlungen, 229:393-420.

Gilmore, C.W. 1946. Reptilian fauna of the North Horn Formation of central Utah. USGS Professional Paper 210-C.

Gradstein, F.M., Ogg, J.G., and Smith, A.G. 2004. A Geologic Time Scale 2004. Cambridge University Press, Cambridge, UK.

Hicks, J.F., Johnson, K.J, Obradovich, J.D., Tauxe, L., and Clark, D. 2002. Magnetostratigraphy and geochronology of the Hell Creek and Basal Fort Union Formations of southwestern North Dakota and a recalibration of the age of the Cretaceous-Tertiary boundary, p. 35-55. In Hartman, J.H., Johnson, K.R., and Nichols, D.J. (eds.), The Hell Creek Formation and the Cretaceous-Tertiary boundary in the northern Great Plains: An integrated continental record of the end of the Cretaceous. GSA Special Paper 361.

Hunt, A.P. and Lucas, S.G. 1991. An associated Maastrichtian hadrosaur and a Turonian ammonite from the Naashoibito Member, Kirtland Formation (Late Cretaceous: Maastrichtian), northwestern New Mexico. New Mexico Journal of Science, 31:1:27-35.

Hunt, A.P. and Lucas, S.G. 1992. Stratigraphy, paleontology and age of the Fruitland and Kirtland Formations (Upper Cretaceous), San Juan Basin, New Mexico, p. 217-239. In Lucas, S.G., Kues, B.S., Williamson, T.E., and Hunt, A.P. (eds.), San Juan Basin IV. New Mexico Geological Society Guidebook 43.

Jentgen, R.W. and Fassett, J.E. 1977. Sundance-Bisti-Star Lake 1976 drilling in McKinley and San Juan Counties, northwestern New Mexico. USGS Open-File Report 77-369.

Knowlton, F.H. 1917. Flora of the Fruitland and Kirtland Formations. USGS Professional Paper, 98-S:327-354 [1917].

Knowlton, F.H. 1924. Flora of the Animas Formation. USGS Professional Paper, 134:71-114.

Lehman, T.M. 1984. The Multituberculate Essonodon browni from the Upper Cretaceous Naashoibito Member of the Kirtland Shale, San Juan Basin, New Mexico. Journal of Vertebrate Paleontology, 4:602-603.

Lehman, T.M., McDowell, F.W., and Connelly, J.N. 2006. First isotopic (U-Pb) age for the Late Cretaceous Alamosaurus vertebrate fauna of West Texas, and its significance as a link between two faunal provinces. Journal of Vertebrate Paleontology, 26:922-928.

Lillegraven, J.A. 1969. Latest Cretaceous mammals of upper part of Edmonton Formation of Alberta, Canada, and review of marsupial-placental dichotomy of mammalian evolution. University of Kansas, Paleontologic Contributions, Article 50 (Vertebrates 12).

Lindsay, E.H., Butler, R.F., and Johnson, N.M. 1981. Magnetic polarity zonation and biostratigraphy of Late Cretaceous and Paleocene continental deposits, San Juan Basin, New Mexico. American Journal of Science, 281:390-435.

Lindsay, E.H., Butler, R.F., and Johnson, N.M. 1982. Testing of magnetostratigraphy in Late Cretaceous and early Tertiary deposits, San Juan Basin, New Mexico, p. 435-447. In Silver, L.T. and Schultz, P.H. (eds.), Geological Implications of impacts of large asteroids and comets on the earth. GSA Special Paper 190.

Lindsay, E.H., Jacobs, L.L., and Butler, R.F. 1978. Biostratigraphy and magnetostratigraphy of Paleocene terrestrial deposits, San Juan Basin, New Mexico. Geology, 6:425-429.

Lucas, S.G. and Heckert, A.B. 2000. Dinosaurs of New Mexico. New Mexico Museum of Natural History and Science Bulletin 17.

Lucas, S.G. and Rigby, J.K, Jr. 1979. Comment: Biostratigraphy and magnetostratigraphy of Paleocene terrestrial deposits, San Juan Basin, New Mexico (Lindsay and others 1978). Geology, 7:2:323-326.

Lucas, S.G. and Sealey, P.L. 1992. Preliminary report on invertebrate fossils from the Lewis Shale near Mesa Portales, Sandoval County, New Mexico, p. 24-26. In Lucas, S.G., Kues, B.S., Williamson, T.E., and Hunt, A.P. (eds.), San Juan Basin IV. New Mexico Geological Society 43rd Field Conference Guidebook.

Lucas, S.G. and Sullivan, R.M. 2000. Stratigraphy and vertebrate biostratigraphy across the Cretaceous-Tertiary boundary, Betonnie Tsosie Wash, San Juan Basin, New Mexico, p. 95-103. In Lucas, S.G. and Heckert, A.B. (eds.), Dinosaurs of New Mexico. New Mexico Museum of Natural History and Science Bulletin 17.

Lucas, S.G., Heckert, A.B., and Sullivan, R.M. 2000. Cretaceous dinosaurs in New Mexico, p. 83-90. In Lucas, S.G. and Heckert, A.B. (eds.), Dinosaurs of New Mexico. New Mexico Museum of Natural History and Science Bulletin 17.

Lucas, S.G., Hunt, A.P., and Sullivan, R.M. 2006. Stratigraphy and age of the Upper Cretaceous Fruitland Formation, west-central San Juan Basin, New Mexico, p. 1-6. In Lucas, S.G. and Sullivan, R.M. (eds.), Late Cretaceous vertebrates from the Western Interior. New Mexico Museum of Natural History and Science Bulletin 35.

Lucas, S.G., Mateer, N.J., Hunt, A.P., and O'Neill, F.M. 1987. Dinosaurs, the age of the Fruitland and Kirtland Formations, and the Cretaceous-Tertiary boundary in the San Juan Basin, New Mexico, p. 35-50. In Fassett, J.E. and Rigby, J.K., Jr. (eds.), The Cretaceous-Tertiary boundary in the San Juan and Raton Basins, New Mexico and Colorado. GSA Special Paper 209.

Manfrino, C. 1984. Stratigraphy and palynology of the upper Lewis Shale, Pictured Cliffs Sandstone, and lower Fruitland Formation (Upper Cretaceous) near Durango, Colorado (M.S. thesis). Colorado School of Mines, Golden, Colorado.

McDowell, F.W., Lehman, T.M., and Connelly, J.N. 2004. A U-Pb age for the Late Cretaceous Alamosaurus vertebrate fauna of West Texas. GSA Abstracts with Programs, 36:4:6.

Newman, K.R. 1987. Biostratigraphic correlation of Cretaceous-Tertiary boundary rocks, Colorado to San Juan Basin, New Mexico, p 151-164. In Fassett, J.E. and Rigby, J.K., Jr. (eds.). The Cretaceous-Tertiary boundary in the San Juan and Raton Basins, New Mexico and Colorado. GSA Special Paper 209.

Nichols, D. 1994. A revised palynostratigraphic zonation of the nonmarine Upper Cretaceous Rocky Mountain region, United States, p. 503-521. In Caputo, M.V., Peterson, J.A., and Franczyk, K.J. (eds.). Mesozoic Systems of the Rocky Mountain Region, USA. Rocky Mountain Section, SEPM (Society for Sedimentary Geology), Denver, Colorado.

Nichols, D.J. 2002. Palynology and palynostratigraphy of the Hell Creek Formation in North Dakota: a microfossil record of plants at the end of Cretaceous time, p. 393-456. In Hartman, J.H., Johnson, K.R., and Nichols, D.J. (eds.). The Hell Creek Formation and the Cretaceous-Tertiary boundary in the northern Great Plains: An integrated continental record of the end of the Cretaceous. GSA Special Paper 361.

Nichols, D.J. 2003. Palynostratigraphic framework for age determination and correlation of the nonmarine lower Cenozoic of the Rocky Mountains and Great Plains region, p. 107-134. In Raynolds, R.G. and Flores, R.M. (eds.). Cenozoic systems of the Rocky Mountain region. Rocky Mountain Section, SEPM (Society for Sedimentary Geology), Denver, Colorado.

Nichols, D.J. and Fleming, R.F. 2002. Palynology and palynostratigraphy of Maastrichtian, Paleocene, and Eocene strata in the Denver Basin, Colorado. Rocky Mountain Geology, 37:2:135-163.

Nichols, D.J. and Johnson, K.R. 2002. Palynology and microstratigraphy of Cretaceous-Tertiary boundary sections in southwestern North Dakota, p. 95-143. In Hartman, J.H., Johnson, K.R., and Nichols, D.J. (eds.). The Hell Creek Formation and the Cretaceous-Tertiary boundary in the northern Great Plains: An integrated continental record of the end of the Cretaceous. GSA Special Paper 361.

Nichols, D.J., Fleming, R.F., and Frederiksen, N.O. 1990. Palynological evidence of effects of the terminal Cretaceous event on terrestrial floras in western North America p. 351-364. In Kauffman, E.G. and Walliser, O.H. (eds.), Extinction events in Earth history. New York, Springer Verlag.

Nichols, D.J., Brown, J.L., Attrep, M., Jr., and Orth, C.J. 1992. A new Cretaceous-Tertiary boundary locality in the western Powder River Basin, Wyoming: Biological and geological implications. Cretaceous Research, 13:3.

Orth, C.J., Gilmore, J.S., Knight, J.D., Pillmore, C.L., Tschudy, R.H., and Fassett, J.E. 1981. An iridium abundance anomaly at the palynological Cretaceous-Tertiary boundary in northern New Mexico. Science, 214:1341-1343.

Orth, C.J., Gilmore, J.S., Knight, J.D., Pillmore, C.L., Tschudy, R.H., and Fassett, J.E. 1982. Iridium abundance measurements across the Cretaceous/Tertiary boundary in the San Juan and Raton Basins of northern New Mexico, p. 423-433. In Silver, L.T. and Schultz, P.H. (eds.), Geological Implications of impacts of large asteroids and comets on the earth. GSA Special Paper 190.

Powell, J.S. 1973. Paleontology and sedimentation models of the Kimbeto Member of the Ojo Alamo Sandstone, p. 111-122. In Fassett, J.E. (ed.), Cretaceous and Tertiary rocks of the Colorado Plateau. Four Corners Geological Society Memoir.

Reeside, J.B., Jr. 1924. Upper Cretaceous and Tertiary formations of the western part of the San Juan Basin of Colorado and New Mexico. USGS Professional Paper 134:1-70.

Rigby, J.K., Jr., and Wolberg, D. 1987. The therian mammalian fauna (Campanian) of Quarry 1, Fossil Forest Study Area, San Juan Basin, New Mexico, p. 51-79. In Fassett, J.E. and Rigby, J.K., Jr. (eds.), The Cretaceous-Tertiary boundary in the San Juan and Raton Basins, New Mexico and Colorado. GSA Special Paper 209.

Sahni, A. 1972. The vertebrate fauna of the Judith River Formation, Montana. American Museum of Natural History Bulletin 146:321-412.

Scott, G.R., Mytton, J.W., and Schneider, G.B. 1980. Geologic map of the Star Lake Quadrangle, McKinley County, New Mexico. USGS Miscellaneous Field Studies Map MF-1248.

Scott, G.R., O'Sullivan, R.O., and Mytton, J.W. 1979. Geologic map of the Alamo Mesa West Quadrangle. USGS Miscellaneous Field Studies Map MF-1074.

Shoemaker, E.M., Steiner, M.B., and Fassett, J.E. 1984. Magnetostratigraphy of Upper Cretaceous rocks at Mesa Portales, New Mexico (abs.). GSA Rocky Mountain Section Meeting, Durango, Colorado.

Sikkink, P.G.L. 1987. Lithofacies relationships and depositional environment of the Tertiary Ojo Alamo Sandstone and related strata, San Juan Basin, New Mexico and Colorado, p. 81-104. In Fassett, J.E. and Rigby, J.K., Jr. (eds.), The Cretaceous-Tertiary boundary in the San Juan and Raton Basins, New Mexico and Colorado. GSA Special Paper 209.

Silver, C. 1950. The occurrence of gas in the Cretaceous rocks of the San Juan Basin, New Mexico and Colorado, p. 109-123. In San Juan Basin, New Mexico and Colorado. New Mexico Geological Society 1st Field Conference Guidebook.

Simpson, G.G. 1950. Lower Tertiary formations and vertebrate faunas of the San Juan Basin, p. 85-89. In San Juan Basin, New Mexico and Colorado. New Mexico Geological Society 1st Field Conference Guidebook.

Simpson, G.G. 1959. Fossil mammals from the type area of the Puerco and Nacimiento strata, Paleocene of New Mexico. American Museum Novitates 1957:1-22.

Simpson, G.G. 1981. History of vertebrate paleontology in the San Juan Basin, p. 3-25. In Lucas, S.G., Rigby, J.K. Jr., and Kues, B.S. (eds.), Advances in San Juan Basin paleontology. University of New Mexico Press, Albuquerque, New Mexico.

Steiner, M.B. 1983. Detrital remanent magnetization in hematite. Journal of Geophysical Research, 88:B8:6523-6539.

Sullivan, R.M. and Lucas, S.G. 2003. The Kirtlandian, a new land-vertebrate "age" for the Late Cretaceous of Western North America, p. 375-383. In Lucas, S.G., Semken, S.C., Berglof, W.R., and Ulmer-Scholle, D.S. (eds.). Geology of the Zuni Plateau. New Mexico Geological Society 54th Field Conference Guidebook.

Sullivan, R.M. and Lucas, S.G. 2006. The Kirtlandian, land-vertebrate "age" – faunal composition, temporal position and biostratigraphic correlation in the nonmarine upper Cretaceous of Western North America, p. 7-29. In Lucas, S.G. and Sullivan, R.M., eds., Late Cretaceous vertebrates from the Western Interior. New Mexico Museum of Natural History and Science Bulletin 35.

Sullivan, R.M., Boere, A.C., and Lucas, S.G. 2005. Redescription of the ceratopsid dinosaur Torosaurus utahensis (Gilmore 1946) and a revision of the genus. Journal of Paleontology, 79:3:564-582.

Sullivan, R.M., Lucas, S.G., and Braman, D.R. 2005. Dinosaurs, pollen, and the Cretaceous-Tertiary boundary in the San Juan Basin, New Mexico, p. 395-407. In Lucas, S.G., Zeigler, K.E., Lueth, V.W., and Owen, D.E. (eds.), Geology of the Chama Basin. New Mexico Geological Society 56th Field Conference Guidebook.

Trueman, C.N. and Benton, M.J. 1997. A geochemical method to trace the taphonomic history of reworked bones in sedimentary settings. Geology, 25:3:263-266.

Trueman, C.N., Behrensmeyer, A.K., Potts, R., and Tuross, N. 2006. High-resolution records of location and stratigraphic provenance from the rare earth element composition of fossil bones. Geochemica et Cosmochimica Acta, 70:4343-4355.

Tschudy, R.H. 1973. The Gasbuggy core; a palynological appraisal, p. 123-130. In Fassett, J.E. (ed.), Cretaceous and Tertiary rocks of the Colorado Plateau. Four Corners Geological Society Memoir.

Weil, A. 2002. Late Cretaceous and Early Paleocene mammalian faunal exchange between Asia and North America (abs.). GSA Abstracts with Programs 34:316.

Weil, A. and Williamson, T.E. 2000. Diverse Maastrichtian terrestrial vertebrate fauna of the Naashoibito Member, Kirtland Formation (San Juan Basin, New Mexico) confirms "Lancian" faunal heterogeneity in Western North America (abs.). GSA Rocky Mountain Section Meeting, Reno, Nebraska.

Williamson, T.E. 1996. The beginning of the age of mammals in the San Juan Basin: Biostratigraphy and evolution of Paleocene mammals of the Nacimiento Formation. New Mexico Museum of Natural History and Science Bulletin 8.

Williamson, T.E. and Lucas, S.G. 1992. Stratigraphy and mammalian biostratigraphy of the Paleocene Nacimiento Formation, southern San Juan Basin, New Mexico, p. 265-296. In Lucas, S.G., Kues, B.S., Williamson, T.E., and Hunt, A.P. (eds.), San Juan Basin IV. New Mexico Geological Society 43rd Field Conference Guidebook.

Williamson, T.E. and Lucas, S.G. 1993. Paleocene vertebrate paleontology of the San Juan Basin, New Mexico, p. 105-135. In Lucas, S.J. and Zidek, J. (eds.), Vertebrate paleontology in New Mexico. New Mexico Museum of Natural History and Science, Bulletin 2.

Williamson, T.E. and Weil, A. 2001. Dinosaurs from microvertebrate sites in the Upper Cretaceous Fruitland and Kirtland Formations, San Juan Basin, New Mexico (abs.). GSA Rocky Mountain and South Central Sections Joint Meeting, Albuquerque, New Mexico.

Williamson, T.E. and Weil, A. 2003. Latest Cretaceous dinosaurs in the San Juan Basin, New Mexico. Journal of Vertebrate Paleontology 23 (Suppl. 3):110A.

Williamson, T.E., Nichols, D.J., and Weil, A. 2008. Paleocene palynomorph assemblages from the Nacimiento Formation, San Juan Basin, New Mexico, and their biostratigraphic significance, p. 3-11. New Mexico Geology 30:01.

Winchester, S. 2001. The Map That Changed the World. Harper Collins Publishers, Inc., New York, New York.

Woodward, L.A., Anderson, L.A., Kaufman, W.H., and Reed, R.K. 1973. Geologic map and sections of San Pablo quadrangle, New Mexico. New Mexico Bureau of Geology and Mineral Resources GM-26.

Woodward, L.A., McLelland, D., Anderson, J.B., and Kaufman, W.H. 1972. Geologic map of Cuba quadrangle, New Mexico. New Mexico Bureau of Geology and Mineral Resources GM-25.

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