Added title page: Twenty-first annual report of the director of the United States Geological Survey.

Parts 1, 2, and 4 have 3 maps in back pockets, parts 3 and 7 have 1 map in back pockets. Part 5 (continued) is a slipcase with 39 maps, consisting mostly of quadrangles showing classification of lands.

pt. 1. Director's report, including triangulation, primary traverse, and spirit leveling.

pt. 2. General geology, economic geology, Alaska: Geology of the Rico Mountains, Colorado / W. Cross and A.C. Spencer. Glacial sculpture of the Bighorn Mountains, Wyoming / F.E. Matthes. The Esmeralda formation, a fresh-water lake deposit; accompanied by a report on the fossil plants of the formation and by a report on a fossil fish / H.W. Turner, F.H. Knowlton and F.A. Lucas. Mineral vein formation at Boulder Hot Springs, Montana / W.H. Weed. Geology of the eastern Choctaw coal field, Indian Territory / J.A. Taff and G.I. Adams. Preliminary report on the Camden River and the Skolai Mountains, Alaska / O. Rohn

Preliminary report on a reconnaissance along the Chandlar and Koyukuk rivers, Alaska, in 1899 / F.C. Schrader. Alaskan geographic names / M. Baker.

pt. 3. General geology, ore and phosphate deposits, Philippines: The Newark system of the Pomperaug Valley, Connecticut; with a report on fossil wood from the Newark formation of South Britain, Connecticut / W.H. Hobbs and F.H. Knowlton. The laccoliths of the Black Hills, with a chapter on experiments illustrating intrusion and erosion / T.A. Jaggar, Jr. and E. Howe. The Arkansas bauxite deposits / C.W. Hayes. Tennessee white phosphate / C.W. Hayes. Report on the geology of the Philippine Islands; followed by a version of Ueber Tertiäre fossilien von den Philippinen / G.F. Becker and K. Martin.

pt. 4. Hydrography: Report on the progress of stream measurements for the calendar year 1899 / F.H. Newell. Preliminary description of the geology and water resources of the southern half of the Black Hills and adjoining regions in South Dakota and Wyoming / N.H. Darton. The high plains and their utilization / W.D. Johnson.

pt. 5. Forest reserves: Summary of forestry work in 1899-1900 / Henry Gannett. Lewis and Clarke [sic] forest reserve, Montana / H.B. Ayers. Olympic forest reserve, Washington / Arthur Dodwell, from notes by Theodore F. Rixon. Cascade Range forest reserve from township 28 south to township 37 south, inclusive, together with the Ashland forest reserve and forest regions from township 28 south to township 14 south, inclusive, and from range 2 west to range 14 east, Willamette meridian, inclusive / John B. Leiberg. Stanislaus and Lake Tahoe forest reserves and adjacent territory / George B. Sudworth. Classification of lands / Henry Gannett ... [et al.]. Woodland of Indian Territory / C.H. Fitch. Timber conditions of the pine region of Minnesorta / H.B. Ayres.

pt. 5 (continued). Forest reserves maps.

pt. 6. Mineral resources of the United States, 1899 metallic products, coal and coke.

pt. 6 (continued). Mineral resources of the United States, 1899 nonmetallic products, except coal and coke.

pt. 7. Texas: Geography and geology of the Black and Grand Prairies, Texas with detailed descriptions of the cretaceous formations and special reference to artesian waters / by Robert T. Hill.

Geology > Research > United States.

Geology > Alaska.

Geology > Philippines.

Stream measurements > United States.

Forest reserves > United States.

Mines and mineral resources > United States.

Nonmetallic minerals industry > United States.

Geology > Texas.

Artesian wells > Texas.

Geological Survey (U.S.). Annual report.