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Report of factual data obtained during examination of Copper King shaft, Black Hawk claim no. 1, Larimer County, Colorado

Description: A report regarding factual data obtained during an examination of the copper King Shaft, Black Hawk Claim no. 1, Larimer County, Colorado. This report is designed to provide the owners with the factual data obtained from their property in accordance with the Agreement for Mineral Exploration with them.
Date: May 1950
Creator: Granger, H. C. & King, Robert Ugstad
Item Type: Refine your search to only Report
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Exploration of the Big Boulder Prospect, Larimer County, Colorado

Description: From introduction: The Big Boulder prospect is in SE 1/4 sec. 36, T.7N., R.,72W., in Tarimer County, Colorado. The prospect has been opened by four irregular trenches and shallow cuts, and a 10-foot discovery shaft. Hanley 1/4 states that 10.5 tons of beryl were produced from the Big Boulder prospect in 1936, and about 600 pounds in 1941.
Date: August 1950
Creator: Thurston, W. R.
Item Type: Refine your search to only Report
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Treasure Hill Area, Larimer County, Colorado

Description: Abstract: The Treasure Hill area consists of eight mining-lode claims in secs. 10 and 15, T. 9 N., R. 70 W., Larimer County, Colo. All of the workings were examined and samples were taken from most of them. The results of the examination indicate that there is little or no detectable radioactivity in the schist and granite of the area.
Date: December 20, 1951
Creator: Wyant, Donald G.
Item Type: Refine your search to only Report
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Pegmatites of the Crystal Mountain District, Larimer County, Colorado

Description: From abstract: The Front Range of Colorado is composed chiefly of schists of the Idaho Springs formation of pre-Cambrian age which have been intruded by a variety of granitic batholiths. In the Crystal Mountain district the Mount Olympus granite, a satellite of Fuller's Longs Peak batholith, forms sills and essentially concordant multiple intrusions in quartz-mica schist that dips southward at moderate to steep angles. A great number of pegmatites accompanied and followed the intrusion of the s… more
Date: 1955
Creator: Thurston, William R.
Item Type: Refine your search to only Report
open access

Ground-Water Resources of the Alluvial Aquifers in Northeastern Larimer County, Colorado

Description: From introduction: Ground water is a source of municipal, domestic, stock, and irrigation water supply for most of northeastern Larimer County, Colorado. This report presents the results of a study made to determine the quantity, availability, and quality of the ground water. This information should be useful particularly for land-use planning and the utilization and protection of the ground-water resources.
Date: January 1977
Creator: Hurr, R. Theodore & Schneider, Paul A., Jr.
Item Type: Refine your search to only Report
open access

Shallow Ground Water in the Boulder-Fort Collins-Greeley Area, Front Range Urban Corridor, Colorado, 1975-77

Description: From introduction: This investigation was made as part of a comprehensive geohydrologic study of the Front Range Urban Corridor in Colorado conducted by the U.S. Geological Survey. The purpose of the study was to delineate the areal extent of the aquifer, the altitude and configuration of the water table, and the gradient and underflow in various parts of the area, in order to better understand the quality of water moving into and through the aquifer.
Date: 1983
Creator: Schneider, Paul A., Jr.
Item Type: Refine your search to only Report
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