Figure 25. Photograph of upper part of Mesa Portales paleomagnetic section showing approximate locations of seven sample-collection sites of normal polarity (white arrows pointing left) and one sample of reversed polarity (white arrow pointing right). Numbers at arrows are distances in meters below the base of upper Ojo Alamo Sandstone bench (Figure 22). Palynologic collection locality for sample D 3738-A is also shown. Tree in upper right of photograph is also labeled on Figure 22 to indicate location of this photograph.