USGS GEOLOGIC MAP SERIES
	FILE CABINET-0 GEOLOGIC ATLAS FOLIOS This cabinet is a map-sized vertical file. Each folder contains a separate Folio of the Geologic Atlas of the United States. The Atlas ceased in 1945, most folios having been published during the 1920's and earlier, the earliest being 1894. Portland State holdings are scattered, and incomplete. FILE CABINET-1 GEOLOGIC QUADRANGLE (GQ-) DRAWER 1 GQ 1-249 DRAWER 2 GQ 250-499 DRAWER 3 GQ 500-749 DRAWER 4 GQ 750-999 FILE CABINET-2 GEOLOGIC QUADRANGLE (GQ-) DRAWER 1 GQ 1000-1249 DRAWER 2 GQ 1250-1549 DRAWER 3 GQ 1550- DRAWER 4 EMPTY FILE CABINET-3 MISC. GEOLOGIC INVESTIGATIONS (I-) DRAWER 1 EMPTY DRAWER 2 EMPTY DRAWER 3 I-1-1299 DRAWER 4 I-1300-1499 FILE CABINET-4 MISC. GEOLOGIC INVESTIGATIONS (I-) DRAWER 1 I-1500-1699 DRAWER 2 I-1700-1899 DRAWER 3 I-1900-2099 DRAWER 4 I-2100-2299 FILE CABINET-5 MISC. GEOLOGIC INVESTIGATIONS (I-) DRAWER 1 I-2300- DRAWER 2 EMPTY DRAWER 3 EMPTY DRAWER 4 EMPTY FILE CABINET-6 COAL INVESTIGATIONS (C-) GEOPHYSICAL INVESTIGATIONS (GP-) HYDROLOGIC INVEST. ATLAS (HA-) MINERAL RESOURCE INVEST. (MR-) OIL & GAS INVESTIGATIONS CHART (OC-) OIL & GAS INVESTIGATIONS MAP (OM-) CIRCUM-PACIFIC MAP SERIES (CP-) VEGETATION AND LAND USE MAPS (L-) OPEN-FILE REPORTS (OF-) DRAWER 1 C- ; GP- DRAWER 2 ATLAS HA- DRAWER 3 MR- DRAWER 4 OC- ; OM- ; CP- ; L- ; OF- FILE CABINET-7 MISCELLANEOUS FIELD STUDIES (MF-) DRAWER 1 MF-1-1499 DRAWER 2 MF-1500-1899 DRAWER 3 MF-1900-1999 DRAWER 4 MF-2000-2099 FILE CABINET-8 MISCELLANEOUS FIELD STUDIES (MF-) ANTARCTIC RESEARCH PROG. MAPS (A-) STATE HYDROLOGIC UNIT MAPS WATER RESOURCE INVESTIGATIONS (WRI-) DRAWER 1 MF-2100-2199 DRAWER 2 MF-2200- DRAWER 3 (A-) STATE HYDROLOGIC UNIT MAPS WRI-) DRAWER 4 EMPTY
Last revised: 20 Feb 1998