Geological Investigations and Field Studies

Online Maps

See USGS's site for an online collection. Following is the URL: http://pubs.usgs.gov/products/maps/.

For online state geologic maps, see http://geology.about.com/library/bl/blstategeomaps_a-to-z.htm .

Also see http://geology.cr.usgs.gov/maps/i-maps.html .

Maps in the Stacks

Geological Investigations and Field Studies are located in the stacks area on the third floor of the library. These are folded documents. Geological Investigations and Field Studies are not located in the Map Resource Area because of the abundance of material. These documents are located in the stacks under the following SuDoc numbers, and are of assorted scales and formats:

I 19.85: C - Coal Investigations

I 19.91/2: CP - Circum-Pacific Map Series

I 19.97/2: DM - Index to USGS/DMA 15 min. mapping

I 19.86: GI - Geologic Map Index

I 19.87: GP - Geophysical Investigations

I 19.88: GQ - Geological Quadrangles

I 19.89: HA - Hydrological Investigations Atlases

I 19.89/2: HU - Hydrologic Unit Map

I 19.91: I - Miscellaneous Geological Investigations :

I 19.96: IS - Index to Intermediate-Scale Mapping

I 19.112: L - Land Use and Land Cover Assoc. Maps

I 19.113: MF - Miscellaneous Field Studies

I 19.90: MR - Mineral Inventory Resource

I 19.92: OC - Oil and Gas Investigation Charts

I 19.93: OM - Oil and Gas Investigation Maps

I 19.97: OT - Index to Orthophotoquad Mapping

I 19.95: SD - Status & Progress of Operations

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