Map. USGS 15' topographic quadrangle - Battle Mountain, Nevada. Scale 1:62500. Annotated with localities, including R-147A-OR, R-147B-OR, R-148A-OR and R-152A-OR thru R-152C-OR., 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 - Bellota Ranch - 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 - Beowawe, Nevada. Scale 1:62500. Two copies annotated with localities including PN-4059-F and PN-4060-F., 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 - Black Peak, Arizona - California. Scale 1:62500 - Datum NAD27. Not annotated with localities., 1959 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 - Bone Spring, Texas. Scale 1:62500. 1920 edition, [first published in 1918], reprinted 1932. Mounted on canvas. Not annotated with localities., 1932 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 - Camp Verde - Arizona. Scale 1:62500 - Datum NAD27. Not annotated with localities., 1932 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 - Carlin, Nevada. Scale 1:62500. Two copies annotated with localities including PN-4003-F thru PN-4005-F, PN 4142 thru PN-4149; PN-4147 is broken up into four separate localities including PN-4147 A, B, C and X., 1952 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 - Casa Grande - Arizona. Scale 1:62500. Not annotated with localities., 1922 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 - Christmas - Arizona. Scale 1:62500. Not annotated with localities., 1915 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 - Cibecue - 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.