BROOKS, ALFRED H. / + COLLIER, ARTHUR J. / + DILLER, JOSEPH AND PATTON, HORRACE. - Preliminary Report on the Ketchikan Mining District, Alaska / + a Reconnaissance of the Northwestern Portion of Seward Peninsula, Alaska / + the Geology and Petrography of Crater Lake National Park.

. Book, Washington. Government Printing Office. 1902. 29 x 23 cms, Ketchikan Mining: 120, ( 3 ) pages, 2 col. double page maps, 6 sketch maps. / Bound with: Seward Peninsula, 70, ( 2 ) pages, 8 photogr. plates, 2 col. double page maps, 1 large folding col. map / Bound with; Crater Lake, 164, ( 3 ) pages, 19 plates, where of 2 col. maps. Bound in contemp. boards, exlibris: Univ. Lund. In nice condition. lara Professional Paper; 1 + 2 + 3. KEYWORDS: geology. America North.

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