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.

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.

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.