Geological Survey (U.S.) & ProQuest (Firm). (1925). Bulletin 773. Mineral resources of Alaska. Report on progress of investigations in 1923. [publisher not identified].
Chicago Style (17th ed.) CitationGeological Survey (U.S.) and ProQuest (Firm). Bulletin 773. Mineral Resources of Alaska. Report on Progress of Investigations in 1923. Washington: [publisher not identified], 1925.
MLA (9th ed.) CitationGeological Survey (U.S.) and ProQuest (Firm). Bulletin 773. Mineral Resources of Alaska. Report on Progress of Investigations in 1923. [publisher not identified], 1925.
Warning: These citations may not always be 100% accurate.