Map. USGS 15' topographic quadrangle - Pinto Summit, Nevada. Scale 1:62500. Annotated with localities including PN-4067-F thru PN-4076-F., 1953 Bookmark Collection Context Yale University -Yale Peabody Museum of Natural History Charles A. and June R. P. Ross Archives, 1953-2002Locality InformationMaps.
Map. USGS 15' topographic quadrangle - Rapid River, Mich. Scale 1:62500. 1958 edition. Not annotated with localities., 1958 Bookmark Collection Context Yale University -Yale Peabody Museum of Natural History Charles A. and June R. P. Ross Archives, 1953-2002Locality InformationMaps.
Map. USGS 15' topographic quadrangle - Ray - Arizona. Scale 1:62500. 1910 Edition, reprinted in 1948. Not annotated with localities., 1910 Bookmark Collection Context Yale University -Yale Peabody Museum of Natural History Charles A. and June R. P. Ross Archives, 1953-2002Locality InformationMaps.
Map. USGS 15' topographic quadrangle - Rincon Valley - Arizona. Scale 1:62500 - Datum NAD27. Not annotated with localities., 1957 Bookmark Collection Context Yale University -Yale Peabody Museum of Natural History Charles A. and June R. P. Ross Archives, 1953-2002Locality InformationMaps.
Map. USGS 15' topographic quadrangle - Roberts Creek Mtn., Nevada. Scale 1:62500. Two copies annotated with localities including PN-4061-F., 1949 Bookmark Collection Context Yale University -Yale Peabody Museum of Natural History Charles A. and June R. P. Ross Archives, 1953-2002Locality InformationMaps.
Map. USGS 15' topographic quadrangle - Robinson Mtn., Nevada. Scale 1:62500. Two copies annotated with localities including PN-4087-F, PN-4088-OR, PN-4089-F thru PN-4092-F, PN-4172-F and PN-4173-F., 1956 Bookmark Collection Context Yale University -Yale Peabody Museum of Natural History Charles A. and June R. P. Ross Archives, 1953-2002Locality InformationMaps.
Map. USGS 15' topographic quadrangle - Rock, Mich. Scale 1:62500. 1958 edition. Not annotated with localities., 1958 Bookmark Collection Context Yale University -Yale Peabody Museum of Natural History Charles A. and June R. P. Ross Archives, 1953-2002Locality InformationMaps.
Map. USGS 15' topographic quadrangle - Rowland, Nevada - Idaho. Scale 1:62500. Annotated with Hoare's fusulinid locality., 1936 Bookmark Collection Context Yale University -Yale Peabody Museum of Natural History Charles A. and June R. P. Ross Archives, 1953-2002Locality InformationMaps.
Map. USGS 15' topographic quadrangle - Sahuarita - Arizona. Scale 1:62500 - Datum NAD27. Not annotated with localities., 1958 Bookmark Collection Context Yale University -Yale Peabody Museum of Natural History Charles A. and June R. P. Ross Archives, 1953-2002Locality InformationMaps.
Map. USGS 15' topographic quadrangle - Salome - Arizona. Scale 1:62500 - Datum NAD27. Not annotated with localities., 1961 Bookmark Collection Context Yale University -Yale Peabody Museum of Natural History Charles A. and June R. P. Ross Archives, 1953-2002Locality InformationMaps.