Geological Survey (U.S.) & ProQuest (Firm). (1902). Preliminary report on the Ketchikan Mining District, Alaska with an introductory sketch of the geology of southeastern Alaska. [publisher not identified].
Chicago Style (17th ed.) CitationGeological Survey (U.S.) and ProQuest (Firm). Preliminary Report on the Ketchikan Mining District, Alaska with an Introductory Sketch of the Geology of Southeastern Alaska. Washington: [publisher not identified], 1902.
MLA (9th ed.) CitationGeological Survey (U.S.) and ProQuest (Firm). Preliminary Report on the Ketchikan Mining District, Alaska with an Introductory Sketch of the Geology of Southeastern Alaska. [publisher not identified], 1902.
Warning: These citations may not always be 100% accurate.