Biennial report issued by the Bureau of Mines of the State of Colorado for the years ...
APA Citation
Colorado. Bureau of Mines. (19161919). Biennial report issued by the Bureau of Mines of the State of Colorado for the years ... Denver, Colo.: The Bureau.
MLA Citation
Colorado. Bureau of Mines. Biennial Report Issued by the Bureau of Mines of the State of Colorado for the Years ... Denver, Colo.: The Bureau, 19161919.
Warning: These citations may not always be complete (especially for serials).