Box 4
Contains 55 Results:
A.G. Leonard's Stratigraphy Material, 1908 and 1922
The North Dakota Geological Survey Records date from 1894 to 1977.
A.G. Leonard's Material on Glacial Formations, 1916-1918
The North Dakota Geological Survey Records date from 1894 to 1977.
Leonard, A.G. "The Ray Quadrangle," 1918-1919 (notes and manuscript)
The North Dakota Geological Survey Records date from 1894 to 1977.
A.G. Leonard's Maps of Southwestern North Dakota
The North Dakota Geological Survey Records date from 1894 to 1977.
A.G. Leonard's Diagrams of Coal Beds in the Medora Area
The North Dakota Geological Survey Records date from 1894 to 1977.
Abstracts of Papers Made by or For A.G. Leonard, 1883-1890
The North Dakota Geological Survey Records date from 1894 to 1977.
Zenith Lignite Mines, Stark County, North Dakota, 1914-1927
The North Dakota Geological Survey Records date from 1894 to 1977.
Correspondence with Frank Leverett, 1907 and 1916; and The Water Resources of Illinois by Leverett, 1896
The North Dakota Geological Survey Records date from 1894 to 1977.
Correspondence, A.G. Leonard, regarding the Bismarck Quadrangle, 1909-1911
The North Dakota Geological Survey Records date from 1894 to 1977.
Correspondence, A.G. Leonard, 1909-1923
The North Dakota Geological Survey Records date from 1894 to 1977.