Bulletin, Issues 437-441U.S. Government Printing Office, 1910 - Geology |
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20 feet aluminum tablet stamped Back azimuth Bactrites Batesville quadrangle bench mark bowlder bridge cairn chert COCHISE COUNTY costæ crossroads distance dorsal valve fauna Fayetteville feet east feet high feet north feet south feet southeast feet west fence figs forks of road fossils Geographic positions Girty Goniatites hill Horizon and locality.-Moorefield Illinois Central Railroad iron post stamped Latitude 38 Liorhynchus carboniferum locality.-Moorefield shale loess Longitude 121 Magnetic declination MAINE CENTRAL RAILROAD Meters miles east miles north miles northwest miles south miles west Moorefield shale Mountain northeast corner sec peak Plate post stamped Prim Productus Reference mark ridge RIO ARRIBA COUNTY River road crossing road east road north road south road west SAN JUAN COUNTY shell side of sec SOLANO COUNTY South border Southern Pacific Railroad southwest species specimens Spring Creek stations Station mark summit thence Trav tree triangulation station U. S. Geol ventral valve