The Eugene Callaghan papers (1924-1988) consist of materials documenting Callaghan's professional career. Included are correspondence, notes, reports, maps, class materials, and scrapbooks. Two maps of Brandenburg Mountain were transferred to the Manuscripts Division map case. The scrapbooks, located in box 2, folders 4-7, are photocopies of the originals which were removed and transferred to the Multimedia Division.

The Eugene Callaghan papers (1924-1988) consist of materials documenting Callaghan's professional career. Included are correspondence, notes, reports, maps, class materials, and scrapbooks. Two maps of Brandenburg Mountain were transferred to the Manuscripts Division map case. The scrapbooks, located in box 2, folders 4-7, are photocopies of the originals which were removed and transferred to the Multimedia Division.

The Eugene Callaghan papers (1924-1988) consist of materials documenting Callaghan's professional career. Included are correspondence, notes, reports, maps, class materials, and scrapbooks. Two maps of Brandenburg Mountain were transferred to the Manuscripts Division map case. The scrapbooks, located in box 2, folders 4-7, are photocopies of the originals which were removed and transferred to the Multimedia Division.

This is a scrapbook concerning brucite and magnesite deposits on the Paradise Range in West Central Nevada and Lake Tahoe.

This folder contains information on the Searchlight district and Boulder Dam in Nevada and Arizona, and the Cedar Mountain earthquake.

Included is information on the Consolidated Cortez Silver Mines Co. in Eureka County and Nevada.

Material pertaining to the Chief and Delmar mining districts is in this folder.

The Eugene Callaghan papers (1924-1988) consist of materials documenting Callaghan's professional career. Included are correspondence, notes, reports, maps, class materials, and scrapbooks. Two maps of Brandenburg Mountain were transferred to the Manuscripts Division map case. The scrapbooks, located in box 2, folders 4-7, are photocopies of the originals which were removed and transferred to the Multimedia Division.

The Eugene Callaghan papers (1924-1988) consist of materials documenting Callaghan's professional career. Included are correspondence, notes, reports, maps, class materials, and scrapbooks. Two maps of Brandenburg Mountain were transferred to the Manuscripts Division map case. The scrapbooks, located in box 2, folders 4-7, are photocopies of the originals which were removed and transferred to the Multimedia Division.

The Eugene Callaghan papers (1924-1988) consist of materials documenting Callaghan's professional career. Included are correspondence, notes, reports, maps, class materials, and scrapbooks. Two maps of Brandenburg Mountain were transferred to the Manuscripts Division map case. The scrapbooks, located in box 2, folders 4-7, are photocopies of the originals which were removed and transferred to the Multimedia Division.