81. Geologic map of Newberry Volcano, Deschutes, Klamath, and Lake counties, Oregon Author/Creator: Geological Survey (U.S.) Publication/Creation: Denver, CO : U.S. Geological Survey Information Services, [distributor]. Resource Type: Map Access & Availability: Loading
82. Geologic map of Precambrian metasedimentary rocks of the Medicine Bow Mountains, Albany and Carbon counties, Wyoming Author/Creator: Geological Survey (U.S.) Publication/Creation: Denver, CO : For sale by Map Distribution Resource Type: Map Access & Availability: Loading
83. Geologic map of Precambrian rocks along part of the Hartville Uplift, Guernsey and Casebier Hill quadrangles, Platte and Goshen counties, Wyoming Author/Creator: Geological Survey (U.S.) Publication/Creation: Denver, CO : For sale by U.S. Geological Survey Information Services Resource Type: Map Access & Availability: Loading
84. Geologic map of Precambrian rocks of parts of Iron Mountain and Escanaba 30ʹ x 60ʹ quadrangles, northeastern Wisconsin and adjacent Michigan Author/Creator: Geological Survey (U.S.) Publication/Creation: Denver, CO : For sale by Map Distribution Resource Type: Map Access & Availability: Loading
85. Geologic map of Precambrian rocks of the Sierra Madre, Carbon County, Wyoming, and Jackson and Routt counties, Colorado Author/Creator: Houston, Robert S. 1923- (Robert Stroud) Publication/Creation: Reston, Va. : U.S. Geological Survey, 1995 Resource Type: Map Access & Availability: Loading
86. Geologic map of Precambrian rocks, southern Lake Superior region, Wisconsin and northern Michigan Author/Creator: Geological Survey (U.S.) Publication/Creation: Reston, Va. : U.S. Geological Survey, 1992 Resource Type: Map Access & Availability: Loading
87. Geologic map of São Miguel, Azores Author/Creator: Geological Survey (U.S.) Publication/Creation: Denver, CO : For sale by Map Distribution Resource Type: Map Access & Availability: Loading
88. Geologic map of science study area 6, Memnonia Region of Mars (MTM -10172) Author/Creator: Geological Survey (U.S.) Publication/Creation: Denver, CO : For sale by Map Distribution Resource Type: Map Access & Availability: Loading
89. Geologic map of southeastern Alaska Author/Creator: Geological Survey (U.S.) Publication/Creation: Reston, VA : U.S. Geological Survey ; Fairbanks, AK : Alaska Distribution Section ; Denver, CO : For sale by Map Distribution, 1992 Resource Type: Map Access & Availability: Loading
90. Geologic map of Sullivan Draw and vicinity, Mohave County, northwestern Arizona Author/Creator: Billingsley, George H. Publication/Creation: Denver, CO : For sale by Map Distribution Resource Type: Map Access & Availability: Loading