221. Map showing metallic mineral resource potential of the Glens Falls 1⁰ x 2⁰ quadrangle, New York, Vermont, and New Hampshire Author/Creator: Geological Survey (U.S.) Publication/Creation: Denver, CO : For sale by Information Services Resource Type: Map Access & Availability: Loading
222. Map showing mineral deposits of the midcontinent rift, Lake Superior region, United States and Canada Author/Creator: Geological Survey (U.S.) Publication/Creation: Denver, CO : For sale by U.S. Geological Survey, Map Distribution Resource Type: Map Access & Availability: Loading
223. Map showing mineral resource assessment for vein and replacement deposits of gold, silver, copper, lead, zinc, manganese, and tungsten in the Butte 1⁰ x 2⁰ quadrangle, Montana Author/Creator: Geological Survey (U.S.) Publication/Creation: Denver, CO : For sale by Map Distribution Resource Type: Map Access & Availability: Loading
224. Map showing mineralized areas and principal lode mines in southern Summit County, Colorado Author/Creator: Geological Survey (U.S.) Publication/Creation: Denver, CO : For sale by Map Distribution Resource Type: Map Access & Availability: Loading
225. Map showing mines and prospects in the Reno 1° by 2° quadrangle, Nevada and California Author/Creator: Geological Survey (U.S.) Publication/Creation: Denver, CO : For sale by Map Distribution Resource Type: Map Access & Availability: Loading
226. Map showing morphometry, bathymetry, and soft-sediment thickness of Plow Shop Pond and Grove Pond, Ayer, Massachusetts Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: [Reston, Va.] : U.S. Department of the Interior, U.S. Geological Survey, 1999 Resource Type: Map Access & Availability: Loading
227. Map showing nickel concentrations from stream sediments and soils throughout the Humboldt River Basin and surrounding areas, northern Nevada Author/Creator: Geological Survey (U.S.) Publication/Creation: Denver, CO : U.S. Geological Survey, 2003 Resource Type: Map Edition: Version 1.0. Access & Availability: Loading
228. Map showing occurrences of spring-deposited travertine in the conterminous Western United States Author/Creator: Feth, J. H. 1913- (John Henry), author Publication/Creation: Washington, D.C. : United States Department of the Interior, Geological Survey, 1979 Resource Type: Map Access & Availability: Loading
229. Map showing outcrops of ash-flow tuffs, basin and range province and vicinity, Trans-Pecos Texas Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: Denver, Colorado : Open-File Services Section, Western Distribution Branch, U.S. Geological Survey Resource Type: Map Access & Availability: Loading
230. Map showing outcrops of basaltic rocks of early quaternary and tertiary age, basin and range province, Nevada Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: Denver, Colorado : Open-File Services Section, Western Distribution Branch, U.S. Geological Survey Resource Type: Map Access & Availability: Loading