Delaware County

Aggregate resources, western portion: OF 302, 303
Bedrock geology, western portion: M 8
Bedrock-topography map: OF 119
Drift-thickness map: OF 120
General: V 2, pt. 1; B 30
Minerals: B 69
Quaternary geology: M 2; OF 295
Superconducting Super Collider Project maps
 

AR Annual Report     B Bulletin    DCMS Digital Chart and Map Series    DDF Digital Data File    EGSP Eastern Gas Shales Project     EL Educational Leaflet    GB Guidebook    GF GeoFacts     GN Geological Note    IC Information Circular     M Map Series    MR Miscellaneous Report     OF Open-File Map    OFR Open-File Report     OGS Ohio Geological Society publications    OTS Ohio Cooperative Topographic Survey publication    RI Report of Investigations    RP Report of Progress    RS Reprint Series    TR Technical Report (Division of Shore Erosion)    USGS U.S. Geological Survey publication    V Volume