Department of Interior, Office of the Board of Mineral Land Commissioners, Helena, Montana, Nov. 22, 1895: Troy "has charge of the Field Outfit of the United States Bureau of Mineral Land Commissioners in the Helena, Montana Land District ... from May until the end of November 1895" plus general letter of recommendation., 1895, Box: 1. John B. Troy papers, 4277. Division of Rare and Manuscript Collections. https://archives.library.cornell.edu/repositories/2/archival_objects/446644 Accessed April 04, 2026.