Contains papers and materials relating to J. M. Boutwell's career as a geologist from 1900 to 1945. Includes many mining maps and reports in different regions in Arizona (Bisbee), Utah (Bingham), Mexico (Cananea), and Peru (Cerro de Pasco). Also inludes business and professional correspondence, profesional affiliations, and reports and surveys, many dealing with the United States Geological Survey, which he worked for from 1900 to 1908.

Tax papers (1904-1947), company correspondence (1909-1947), financial records including incoming statements and bank statements (1914-1929), financial papers for individual companies (1907-1953), mining bulletins (1926-1928), and over 200 maps and plans. The materials relate to the operations of the company and to the corporations in which it invested. Most of these companies were involved either in mining or in railroads.

Tax papers (1904-1947), company correspondence (1909-1947), financial records including incoming statements and bank statements (1914-1929), financial papers for individual companies (1907-1953), mining bulletins (1926-1928), and over 200 maps and plans. The materials relate to the operations of the company and to the corporations in which it invested. Most of these companies were involved either in mining or in railroads.

Tax papers (1904-1947), company correspondence (1909-1947), financial records including incoming statements and bank statements (1914-1929), financial papers for individual companies (1907-1953), mining bulletins (1926-1928), and over 200 maps and plans. The materials relate to the operations of the company and to the corporations in which it invested. Most of these companies were involved either in mining or in railroads.

Tax papers (1904-1947), company correspondence (1909-1947), financial records including incoming statements and bank statements (1914-1929), financial papers for individual companies (1907-1953), mining bulletins (1926-1928), and over 200 maps and plans. The materials relate to the operations of the company and to the corporations in which it invested. Most of these companies were involved either in mining or in railroads.

Letter to Wyer, Librarian of the Denver Public Library, which concerns the various repositories where Jackson's photographic collections were preserved and from which copies could be solicited. The repositories were: The Colorado Historical Society; the Hayden series found in the U.S. Geological Survey; and the Ohio Art Company of Bryan, Ohio.

Photocopy of letters from T.M. Johnston in Sacramento, California, to his parents and to his sister, Lilly, in Scotland. He breifly mentions local Mormons in one letter.

Series of papers on Montanans and Yellowstone, 1863-1919.

Tax papers (1904-1947), company correspondence (1909-1947), financial records including incoming statements and bank statements (1914-1929), financial papers for individual companies (1907-1953), mining bulletins (1926-1928), and over 200 maps and plans. The materials relate to the operations of the company and to the corporations in which it invested. Most of these companies were involved either in mining or in railroads.

Tax papers (1904-1947), company correspondence (1909-1947), financial records including incoming statements and bank statements (1914-1929), financial papers for individual companies (1907-1953), mining bulletins (1926-1928), and over 200 maps and plans. The materials relate to the operations of the company and to the corporations in which it invested. Most of these companies were involved either in mining or in railroads.