Map. USGS 7.5' geologic quadrangle [GQ-668] - Brandenburg Mountain - Pinal County, Arizona. Scale 1:24000. Not annotated with localities. Accompanied with map unit description (3-page insert)., 1968 Bookmark Collection Context Yale University -Yale Peabody Museum of Natural History Charles A. and June R. P. Ross Archives, 1953-2002…
Map. USGS 7.5' geologic quadrangle [GQ-669] - Holy Joe Peak - Pinal County, Arizona. Scale 1:24000. Not annotated with localities. Accompanied with map unit description (3-page insert)., 1968 Bookmark Collection Context Yale University -Yale Peabody Museum of Natural History Charles A. and June R. P. Ross Archives, 1953-2002…
Map. USGS 7.5' geologic quadrangle [GQ-670] - Lookout Mountain - Pinal County, Arizona. Scale 1:24000. Not annotated with localities. Accompanied with map unit description (2-page insert)., 1968 Bookmark Collection Context Yale University -Yale Peabody Museum of Natural History Charles A. and June R. P. Ross Archives, 1953-2002…
Map. USGS 7.5' Preliminary geologic quadrangle [MF-81] - Pinal Ranch - Arizona. Scale 1:24000. Not annotated with localities., 1961 Bookmark Collection Context Yale University -Yale Peabody Museum of Natural History Charles A. and June R. P. Ross Archives, 1953-2002…
Map. USGS 7.5' topographic quadrangle - Blanchard Mtn, Nevada. Scale 1:24000. Annotated with a transect of Permian strata; not annotated with localities., 1968 Bookmark Collection Context Yale University -Yale Peabody Museum of Natural History Charles A. and June R. P. Ross Archives, 1953-2002…
Map. USGS 7.5' topographic quadrangle - Coal Mine Basin, Nevada. Scale 1:24000. Two copies annotated with localities including PN-4001-F, PN-4002-F, PN-4178 and localities 3C thru 3J, 2T and 2U. One copy has been partially mapped with formational contacts and faults., 1971 Bookmark Collection Context Yale University -Yale Peabody Museum of Natural History Charles A. and June R. P. Ross Archives, 1953-2002…
Map. USGS 7.5' topographic quadrangle - Elko East, Nevada. Scale 1:24000. Photorevised version 1975. Two copies annotated with localities including PN-4013-F and PN-4014-F., 1962 Bookmark Collection Context Yale University -Yale Peabody Museum of Natural History Charles A. and June R. P. Ross Archives, 1953-2002…
Map. USGS 7.5' topographic quadrangle - Globe - Arizona. Scale 1:24000 - Datum NAD27. Not annotated with localities., 1947 Bookmark Collection Context Yale University -Yale Peabody Museum of Natural History Charles A. and June R. P. Ross Archives, 1953-2002…
Map. USGS 7.5' topographic quadrangle - Golconda, Nevada. Scale 1:24000. Photorevised version 1981. Three copies annotated with localities including PN-4029-F thru PN-4033-F and PN-4046-F thru PN-4058-F., 1965 Bookmark Collection Context Yale University -Yale Peabody Museum of Natural History Charles A. and June R. P. Ross Archives, 1953-2002…
Map. USGS 7.5' topographic quadrangle - Holborn, Nevada. Scale 1:24000. Two copies annotated with localities including PN-4107-F and PN-4108-F., 1968 Bookmark Collection Context Yale University -Yale Peabody Museum of Natural History Charles A. and June R. P. Ross Archives, 1953-2002…