Geology and zinc-lead deposits in the Couler Valley area, Dubuque County, Iowa
C. Erwin Brown, L.G. Collins, Percy Crosby
1955, Miscellaneous Field Studies Map 42
Geologic investigations were begun in the Iowa portion of the Wisconsin-Illinois-Iowa zinc-lead district to appraise its potentialities: (1) for zinc ore in strata that elsewhere in the mining district contain large zinc ore bodies and (2) for lead and zinc deposits of the type that were mined extensively in Dubuque...
Preliminary geologic map of southwestern Oregon west of meridian 122 degrees west and south of parallel 43 degrees south
Francis G. Wells
1955, Miscellaneous Field Studies Map 38
No abstract available....
Geology and zinc-lead-barite deposits in the area east of Cuba City, Wisconsin
Allen F. Agnew, Arthur E. Flint, R.P. Crumpton
1954, Miscellaneous Field Studies Map 15
The current study of the Wisconsin-Illinois-Iowa zinc-lead district (fig. 1) was begun in 1942, with the major emphasis placed on detailed mapping of geologic structure and ore deposits. Preliminary reports for several areas in the mining district have been prepared, and the present study of the are east of Cuba...
Red Canyon quadrangle, Colorado
E. J. McKay
1954, Miscellaneous Field Studies Map 17
Geology of the Northgate fluorspar district, Colorado
T. A. Steven
1954, Miscellaneous Field Studies Map 13
Preliminary geologic map of the Gypsum Gap quadrangle, Colorado
F.W. Cater Jr.
1954, Miscellaneous Field Studies Map 19
No abstract available....
Preliminary geologic map of the Atkinson Creek quadrangle, Colorado
E. J. McKay
1954, Miscellaneous Field Studies Map 18
No abstract available....
Geology and iron ore deposits of the Granite Mountain area, Iron County, Utah
J. Hoover Mackin
1954, Miscellaneous Field Studies Map 14
Preliminary geologic map of the Horse Range Mesa quadrangle, Colorado
Fred W. Cater Jr.
1954, Miscellaneous Field Studies Map 29
No abstract available....
Magnetite deposits and magnetic anomalies of the Spruce Mountain tract, St. Lawrence County, New York
B. F. Leonard
1953, Miscellaneous Field Studies Map 10
No abstract available....
Geologic map of Lake Valley manganese district, Sierra County, New Mexico
S.C. Creasey, A.E. Granger
1953, Miscellaneous Field Studies Map 9
The Lake Valley district was originally developed as a manganese-silver district, but the known silver-bearing ore bodies have long since been worked out. The critical shortage of manganese during World War II renewed interest in the manganese deposits; from October 1941 through June 1942 the U. S. Geological Survey and...
Geologic map of the Pando area, Eagle and Summit Counties, Colorado
Ogden Tweto
1953, Miscellaneous Field Studies Map 12
No abstract available....
Geology of the talc deposits, Sterling Pond area, Stowe, Vermont
A.H. Chidester
1953, Miscellaneous Field Studies Map 11
Geologic structure map of the Beetown lead-zinc area, Grant County, Wisconsin
Allen V. Heyl Jr., Erwin J. Lyons, John J. Theiler
1952, Miscellaneous Field Studies Map 3
The Beetown area, in Grant County, Wisconsin, in the northwestern part of the Upper Mississippi Valley zinc-lead district, lies in the western part of T. 4 N., R. 4 W., and the eastern part of T. 4 N., R. 5 W. The village of Beetown is at about its center. Recent...
Geologic map of the Barnes Hill talc prospect, Waterbury, Vermont
A.H. Chidester, G. W. Stewart, D.C. Morris
1952, Miscellaneous Field Studies Map 7
The Barnes Hill talc prospect is in northeastern Waterbury township, Washington County, Vermont, about 2.2 miles N. 35° E. of the road triangle at Waterbury Center. The deposit occurs in a body of ultramafic rock that crops out between the altitudes of 1,150 and 1,190 feet above sea level, near...
Geologic map of bastnaesite deposits, Birthday claims, San Bernardino County, California
W. N. Sharp, L.C. Pray
1952, Miscellaneous Field Studies Map 4
In April 1949 a deposit containing considerable quantities of the rare mineral bastnaesite - the fluorocarbonate of cerium, lanthanum, and other rare earths - was discovered near Mountain Pass, San Bernardino County, Calif. Small quantities of bastnaesite have been found in several places in the United States, but this area...
Geologic map of the Rousseau talc prospect, Cambridge, Vermont
A.H. Chidester, G. W. Stewart, D.C. Morris
1952, Miscellaneous Field Studies Map 8
No abstract available....
Magnetite deposits and magnetic anomalies of the Brandy Brook and Silver Pond belts, St. Lawrence County, New York
B. F. Leonard
1952, Miscellaneous Field Studies Map 6
This report sets forth the geology and economic possibilities of the Brandy Brook and Silver Pond belts of magnetic anomalies, Cranberry Lake quadrangle, St. Lawrence County, northwestern New York. each belt contains a known magnetite deposit, partly explored through diamond drilling by the U.S. Bureau of Mines. The Brandy Brook...
Manganese, iron, and barite deposits of the James River-Roanoke River district, Virginia
Gilbert H. Espenshade
1952, Miscellaneous Field Studies Map 5
During the period 1940-1942 the United States Geological Survey made a geologic study of the manganese deposits of the James River-Roanoke River district, in the general vicinity of Lynchburg, Va. (fig. 1), as part of its program of strategic minerals investigations. This work was done by the writer and supervised...
Geologic map of the western Kentucky fluorspar district
Stuart Weller, A.H. Sutton
1951, Miscellaneous Field Studies Map 2
Geologic map of the central part of the Batesville manganese district Independence and Izard Counties, Arkansas
J.A. Straczek, D.M. Kinney
1950, Miscellaneous Field Studies Map 1
