Added title page: Twentieth annual report of the director of the United States Geological Survey.

Pt. 1 has 2 maps in back pocket, pt. 7 has 4 maps in back pocket. Pt. 5 (continued) has 7 maps showing timber reserves in various parts of the United States.

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

[pt. 2]

pt. 3. Precious-metal mining districts: The Bohemia mining region of western Oregon, with notes on the Blue River mining region and on the structure and age of the Cascade Range; accompanied by a report on the fossil plants associated with the lavas of the Cascade Range / J.S. Diller and F.H. Knowlton. The gold and silver veins of Silver City, DeLamar, and other mining districts in Idaho / W. Lindgren. Geology of the Little Belt Mountains, Montana, with notes on the mineral deposits of the Neihart, Barker, Yogo, and other districts; accompanied by a report on the petrography of the igneous rocks of the district / W.H. Weed and L.V. Pirsson.

pt. 4. Hydrography: Report of progress of stream measurements for the calendar year 1898 / F.H. Newell. Hydrography of Nicaragua / A.P. Davis.

pt. 5. Forest reserves: The forests of the United States / by Henry Gannett. Pikes Peak, Plum Creek, and South Platte reserves / by John G. Jack. White River Plateau timber land reserve / by George B. Sudworth. Battlement Mesa forest reserve / by George B. Sudworth. The Flathead forest reserve / by H.B. Ayres. Bitterroot forest reserve / by John B. Leiberg. The San Gabriel forest reserve / by John B. Leiberg. The San Bernardino forest reserve / by John B. Leiberg. The San Jacinto forest reserve / by John B. Leiberg.

pt. 5 (continued). Forest reserves maps.

pt. 6. Mineral resources of the United States, 1898 metallic products, coal, and coke.

pt. 6 (continued). Mineral resources of the United States, 1898 nonmetallic products except coal and coke.

pt. 7. Explorations in Alaska in 1898: A reconnaissance in the Sushitna Basin and adjacent territory, Alaska, in 1898 / G.H. Eldridge. A reconnaissance from Resurrection Bay to the Tanana River, Alaska, in 1898 / W.C. Mendenhall. A reconnaissance of a part of Prince William Sound and the copper River district, Alaska, in 1898 / F.C. Schrader. A reconnaissance in the White and Tanana river basins, Alaska, in 1898 / A.H. Brooks.

Geology > Research > United States.

Geology > Cascade Range Region.

Geology, Economic > Idaho.

Geology, Economic > Montana > Little Belt Mountains.

Stream measurements > United States.

Forest reserves > United States.

Mines and mineral resources > United States.

Nonmetallic minerals industry > United States.

Geology > Alaska.

Geological Survey (U.S.) Annual report.