126 THE UNITED STATES GEOLOGICAL SURVEY. [bull.227. 
Nineteenth Annual Report of the U. S. Geological Survey, etc. — Continued. 
Pt. [II. Geology of the McAlester-Lehigh coal field, Indian Territory, by J. A. Taff; accompanied 
by a report on the fossil plants, by David White, and a report on the Paleozoic inver- 
tebrate fossils, by G. H. Girty, pp. 423-600, pis. lxiv-lxxii. 
Geology and mining industry of Tintie district, Utah, by G. W. Tower, jr., and <;. (). 
Smith, pp. 601-767, pis. lxxiii-xcix. 
Index, pp. 769-785. 
Pt. IV. Hydrography, viii, 814 pp., 118 pis. 
Report of progress of stream measurements for the calendar year 1897, by F. EL Newell. 
including papers by Dwight Porter, J. B. Lippincott, and other hydrographers, pp. 
1-632, pis. i-lxx. 
Rock waters of Ohio, by Edward Orton, pp. 633-717, pis. lxxi-lxxiii. 
Preliminary report on geology and water resources of Nebraska west of the one hundred 
and third meridian, by N. H. Darton, pp. 719-785, pis. lxxiv-cxviii. 
Index, pp. 787-814. 
Pt. V. Forest reserves, xvii, 400 pp., 110 pis. (16 maps in separate case). 
The forests of the United States, by Henry Gannett, pp. 1-66, pis. i-xiii. 
Black Hills Forest Reserve, by H. S. Graves, pp. 67-164, pis. xiv-xxxvi. 
Bighorn Forest Reserve, by F. E. Town, pp. 165-190, pis. xxxvii-xlii. 
Teton Forest Reserve, from notes by T. S. Brandegee, pp. 191-212, pis. xliii-xlv. 
Yellowstone Park Forest Reserve, southern part, from notes by T. S. Brandegee, pp. 
213-216. 
Priest River Forest Reserve, by J. B. Leiberg, pp. 217-252, pis. xlvi-lxi. 
Bitterroot Forest Reserve, by J. B. Leiberg, pp. 253-282, pis. lxii-lxxiii. 
Washington Forest Reserve, by H. B. Ayres, pp. 283-313, pis. lxxiv-c. 
Eastern part of Washington Forest Reserve, by M. W. Gorman, pp. 315-319, pi. ci. 
San Jacinto Forest Reserve, by J. B. Leiberg, pp. 351-357, pis. cii-civ. 
San Bernardino Forest Reserve, by J. B. Leiberg, pp. 359-365, pi. cv. 
San Gabriel Forest Reserve, by J. B. Leiberg, pp. 367-371, pis. cvi-cviii. 
Forest conditions of northern Idaho, by J. B. Leiberg, pp. 373-386, pis. cix-cx. 
Pine Ridge timber, Nebraska, by N. H. Darton, p. 387. 
Index, pp. 389-400. 
Pt. VI. Mineral resources of the United States, 1897: Metallic products, coal, and coke, viii, 651 
pp., 11 pis. 
Pt. VI (Continued). Mineral resources of the United States, 1897: Nonmetallic products, except 
coal and coke, viii, 706 pp. 
Twentieth Annual Report of the United States Geological Survey, 1898-99, Charles 
D. Walcott, Director. 1899. (Parts II, III, IV, V, and VII, 1900.) 8°. 7 pt. in 
8 vol. and separate case for maps with Pt. V. (Out of stock.) 
Pt. I. Director's report, including triangulation and spirit leveling, 551 pp., 2 pis. 
Report of Director, pp. 1-209, pis. i-ii. 
Triangulation and spirit leveling, by H. M. Wilson, J. H. Renshawe, E. M. Douglas, and 
R. U. Goodc, pp. 211-530. 
Index, pp. 531-551. 
Pt. II. General geology and paleontology, v, 953 pp., 193 pis. 
Brief memorandum on the geology of the Philippine Islands, by G. F. Becker, pp. 1-7. 
A study of Bird Mountain, Vermont, by T. X. Dale, pp. 9-23, pis. i-ii. 
Devonian fossils from southwestern Colorado; the fauna of the Ouray limestone, by 
G. H. Girty, pp. 25-81, pis. iii-vii. 
A preliminary paper on the geology of the Cascade Mountains in northern Washington, 
by I. C. Russell, pp. 83-210, pis. viii-xx. 
Status of the Mesozoic floras of the United States, by L. F. Ward, pp. 211-748, pis. 
xxi-clxxix. 
The stratigraphic paleontology of the Pottsville formation in the Southern Anthracite 
coal held, Pennsylvania, by David White, pp. 749-930, pis. clxxx-cxciii. 
Index, pp. 931-953. 
Pt. III. Precious-metal mining districts, v, 595 pp., 78 pis.' 
The Bohemian mining region of western Oregon, with notes on Blue River mining region 
and on structure and age of Cascade Range, by J. S. Diller; accompanied by a report' 
on fossil plants associated with lavas of the Cascade Range, by F. H. Knowlton, pp. 
1-64, pis. i-vi. 
Gold and silver veins of Silver City, De Lamar, and other mining districts in Idaho, by 
Waldemar Lindgren, pp. 65-256, pis. vii-xxv. 
Geology of Little Belt Mountains, Montana, with notes on mineral deposits of Neihart, 
Barker, Yogo, and other districts, by W. H. Weed; accompanied by a report on petrog- 
raphy of igneous rocks of the district, by L. V. Pirsson, pp. 257-581, pis. xxvi-lxxvii. 
Index, pp. 583-595. 
