Contributions to economic geology 1938-39 : short papers and preliminary reports /
Darton, Nelson Horatio,1865-1948.
Andrews, David A.
Parker, Frank S.
Callaghan, Eugene,1904-
Burbank, W. S.
Roundy, Paul Vere,1884-
Washington : Government Printing Office,
1941.
Includes index.
A. Gravel and sand deposits of eastern Maryland adjacent to Washington and Baltimore / by N.H. Darton.--B. Geology and coal resources of the Minot region, North Dakota / by David A. Andrews.--C. The Mizpah coal field, Custer County, Mont. / by Frank S. Parker and David A. Andrews.--D. Geology of the Searchlight district, Clark County, Nev. / by Eugene Callaghan.--E. Structural control of ore deposition in the Uncompahgre district, Ouray County, Colo., with suggestions for prospecting / by W.S. Burbank.--F. Phosphate investigation in Florida, 1934 and 1935 / by P.V. Roundy.
Geology, Economic
Mines and mineral resources