publications: annual reports. 125 
Eighteenth Annual Report of the U. S. Geological Survey, etc.— Continued. 
Pt. II. Papers chiefly of a theoretic nature, v, 653 pp., 105 pis. 
The Triassic formation of Connecticut, by W. M. Davis, pp. 1-192, pis. i-xx. 
Geology of portions of the Edwards Plateau and Rio Grande Plain adjacent to San 
Antonio, Tex., with special reference to the occurrence of artesian and other under- 
ground waters, by R. T. Hill and T. \V. Vaughan, pp. 193-322, pis. xxi-lxiv. 
Table of North American Tertiary horizons, by W. H. Dall, pp. 323-348. 
Glaciers of Mount Rainier, by I. C. Russell, pp. 349-424, pis. Ixv-lxxxii. 
The white limestone area of Franklin, Sussex County, N. J., by J. E. Wolff and A. H. 
Brooks, pp. 425-458, pi. lxxxiii. 
Geology of San Clemente Island, California, by W. S. T. Smith, pp. 459-496, pis. lxxxiv- 
xcvi. 
Geology of Cape Cod, Massachusetts, by N. S. Shaler, pp. 497-594, pis. xcvii-civ. 
Recent earth movement in the Great Lakes region, by G. K. Gilbert, pp. 595-647, pi. cv. 
Index, pp. 649-653. 
Pt. III. Economic geology, v, 861 pp., 118 pis. 
Reconnaissance of the gold fields of southern Alaska, with some notes on general 
geology, by G. F. Becker, pp. 1-86, pis. i-xxxi. 
Geology of Yukon gold district, Alaska, by J. E. Spurr; with a chapter on the history 
and condition of the district, by H. B. Goodrich, pp. 87-392, pis. xxxii-li. 
Some coal fields of Puget Sound, by Bailey Willis, pp. 393-436, pis. lii-lxviii. 
Geology and mineral resources of Judith Mountains of Montana, by W. H. Weed and 
L. V. Pirsson, pp. 437-616, pis. lxix-lxxxvi. 
Mining districts of Idaho Basin and Boise Ridge, Idaho, by Waldemar Lindgren; with 
a report on fossil plants of Payette formation, by F. H. Knowlton, pp. 617-744, pis. 
lxxxvii-cii. 
Preliminary report on mining industries of Telluride quadrangle, Colorado, by C. W. 
Purington, pp. 745-850, pis. ciii-cxviii. 
Index, pp. 851-861. 
Pt. IV. Hydrography, x, 756 pp., 102 pis. 
Progress report of stream measurement, by A. P. Davis, pp. 13-418, pis. i-xxxii. 
Well waters of Ohio and Indiana, by Frank Leverett, pp. 419-560, pis. xxxiii-xxxvii. 
New developments in well boring and irrigation in eastern South Dakota, by N. H. 
Darton, pp. 561-616, pis. xxxviii-xlvii. 
Reservoirs for irrigation, by J. D. Schuyler, pp. 617-740, pis. xlviii-cii. 
Index, pp. 741-756. 
Pt. V. Mineral resources of the United States, 1896; metallic products and coal, xii, 642 pp., 1 pi. 
Pt. V. (Continued). Mineral resources of the United States, 1896; nonmetallic products except 
coal, pp. 643-1400. 
Nineteenth Annual Report of the United States Geological Survey, 1897-98, Charles 
D. Walcott, Director. 1898. (Parts II, III, and V, 1899. ) 8°. " 6 pt. in 7 vol. and 
separate case for maps with Pt. V. ' (Out of stock. ) 
Pt. I. Director's report, including triangulation and spirit leveling, 422 pp., 2 pis. 
Report of Director, pp. 1-143, pis. i-ii. 
Triangulation and spirit leveling, by H. M. Wilson, J. H. Renshawe, E. M. Douglas, 
and R. U. Goode, pp. 145-408. 
Index, pp. 409-422. 
Pt. II. Papers chiefly of a theoretic nature, v, 958 pp., 172 pis. 
Physiography of the Chattanooga district in Tennessee, Georgia, and Alabama, by C. W. 
Hayes, pp. 1-58, pis. i-v. 
Principles and conditions of the movements of ground water, by F. H. King, pp. 59-294, 
pis. vi-xvi. 
Theoretical investigation of motion of ground waters, C. S. Slichter, pp. 295-384, pi. xvii. 
Geology of Richmond Basin, Virginia, by N. S. Shaler and J. B. Woodworth, pp. 385- 
519, pis. xviii-lii. 
The Cretaceous formation of the Black Hills as indicated by the fossil plants, by L. F. 
Ward, pp. 521-946, pis. liii-clxxii. 
Index, pp. 947-958. 
Pt. III. Economic geology, v, 785 pp., 99 pis. 
The Crystal Falls iron-bearing district of Michigan, by J. M. Clements and H. L. Smyth; 
with a chapter on the Sturgeon River Tongue, by W. S. Bayley, and an introduction 
by C. R. Van Hise, pp. 1-151, pis. i-xi. 
The slate belt of eastern New York and western Vermont, by T. N. Dale, pp. 153-307, pis. 
xii-xli. 
The Coos Bay coal field, Oregon, by J. S. Diller, pp. 309-376, pis. xlii-liv. 
The titaniferous iron ores of the Adirondacks, by J. F. Kemp, pp. 377-422, pis. lv-lxiii. 
