71. Preliminary lithogeochemical map showing near-surface rock types in the Chesapeake Bay Watershed, Virginia and Maryland Author/Creator: Peper, John D. Publication/Creation: Reston, Va. : U.S. Dept of the Interior, U.S. Geological Survey, 2001 Resource Type: Map Edition: Version 1.0. Access & Availability: Loading
72. Preliminary digital geologic map of the Penokean (early Proterozoic) continental margin in northern Michigan and Wisconsin Author/Creator: Cannon, William F. Publication/Creation: [Reston, Va.] : U.S. Dept. of the Interior, U.S. Geological Survey, [2000] Resource Type: Map Access & Availability: Loading
73. Digital bedrock geologic map of the Ashland and the northern part of the Ironwood 30ʹ x 60ʹ quadrangles, Wisconsin and Michigan Author/Creator: Cannon, William F. Publication/Creation: [Denver, Colo.] : [For sale by USGS Information Services (Open-File Report Sales)]. Resource Type: Map Access & Availability: Loading
74. Geology of the Mount Le Conte 7.5-minute quadrangle, Great Smoky Mountains National Park, Tennessee and North Carolina Author/Creator: Geological Survey (U.S.) Publication/Creation: [Reston, Va.] : The Survey, 2000 Resource Type: Map Access & Availability: Loading
75. Maps and database of Quaternary faults in Bolivia and Chile Author/Creator: Geological Survey (U.S.) Publication/Creation: [Reston, Va.?] : The Survey, 2000 Resource Type: Map Edition: Version 1.0, last modified Nov. 28, 2000. Access & Availability: Loading
76. Sun-illuminated sea floor topographic maps and perspective-view imagery of quadrangles 1-18, Stellwagen Bank National Marine Sanctuary off Boston, Massachusetts, September 1999 Publication/Creation: Denver, CO : For sale by USGS Information Services (Open-File Report Sales). Resource Type: Map Access & Availability: Loading
77. Digital geologic map of Yellowstone National Park, Idaho, Montana, and Wyoming and vicinity Author/Creator: Geological Survey (U.S.) Publication/Creation: [Reston, Va.?] : The Survey, [1999] Resource Type: Map Edition: Online version 1.0, 5 April 1999. Access & Availability: Loading
78. Geohydrology of the Floridan aquifer in the Withlacoochee River basin of the Southwest Florida Water Management District Author/Creator: Geological Survey (U.S.) Publication/Creation: Tallahassee, Fla. : The Survey, 1982 Resource Type: Map Access & Availability: Loading