Figure 11. Map showing location of Betonnie Tsosie Wash (BTW) paleomagnetic section ("Tsosie Wash" locality of
Lindsay et al. 1981). Also shown are
places where mammal- and dinosaur-fossils have been found. Dinosaur-bone sample letters keyed to tables showing chemistry of bone samples collected from Cretaceous Kirtland Formation and Paleocene Ojo Alamo Sandstone; unlettered dinosaur-bone localities from
Lucas and Sullivan (2000). Mammal-bone site is Betonnie Tsosie Wash locality of
Williamson and Lucas (1992). Map from USGS 1:24,000-scale Kimbeto Topographic Quadrangle map.