publications: annual reports. 123 
Thirteenth Annual Report ofthe U. S. Geological Survey, etc. — Continued. 
Pt.III. Irrigation, xi, 486 pp., 77 pi. 
Water supply for irrigation, by F. H. Newell, pp. 1-99, pis. cviii-cx. 
Results of operations of engineering branch of irrigation survey for fiscal year ending 
June 30, 1890, by H. M. Wilson, pp. 101-349, pis. cxi-cxlvi. 
American irrigation engineering, by H. M. Wilson, pp. 351-427, pis. cxlvii-clxxxii. 
Report upon construction of topographic maps and selection of reservoir sites in basin 
of Arkansas River, by A. H. Thompson, pp. 429-4 1 1. 
Report upon ]ocation and survey of reservoir sites during fiscal year ending June 30, 
1892, by A. H. Thompson, pp. 445-478, pis. clxxxiii-elxxxiv. 
Index, pp. 479-486. 
Fourteenth Annual Report of the United States Geological Survey, 1892-93, J. W. 
Powell, Director. 1893. [Pt, II, 1894.] 8°. 2 pt. (Out of stock.) 
Ft. I. Director's report and report of chiefs of divisions, vi, 321 pp., 1 map. 
Report of the Director, pp. 11-165, 1 map (in pocket l. 
Administrative reports of chiefs of divisions, pp. 167-318. 
Index, pp. 319-321. 
Pt. II. Accompanying papers, xx, 597 pp., 73 pis. 
Potable waters of Eastern United States, by W J McGee, pp. 1-47. 
Natural mineral waters of the United States, by A. <'. Peale, pp. 49-88, pi. iii-iv. 
Results of stream measurements, by P. II. Newell, pp. 89-155, pi. v-vi. 
Laccolitic mountain groups of Colorado, Utah, and Arizona, by Whitman Cross, pp. 
157-241, pis. vii-xvi. 
Gold-silver veins of Ophir, California, by Waldemar Lindgren, pp. 243-284, pis. xvii-xviii. 
Geology of the Catoctin belt, by Arthur Keith, pp. 285-395, pis. xix-xxxix. 
Tertiary revolution in topography of Pacific coast, by J. S. Diller, pp. 397-434, pis. xl-xlvii. 
Rocks of Sierra Nevada, by H. W. Turner, pp. 435-495, pis. xlviii-lix. 
Pre-Cambrian igneous rocks of the Unkar terrane, Grand Canyon of the Colorado, 
Arizona, by C. D. Walcott; with notes on the petrographic character of the lavas, by 
J. P. Iddings, pp. 497-524, pis. lx-lxv. 
On the structure of the ridge between the Taconic and Green Mountain ranges, Vermont, 
by T. N. Dale, pp. 525-549, pis. lxvi-lxx. 
Structure of Monument Mountain, Great Barrington, Mass., by T. N. Dale, pp. 55i-565, 
pis. lxxi-lxxii. 
The Potomac and Roaring Creek coal fields in West Virginia, by J. I>. Weeks, pp. 567-590, 
pis. lxxiii-lxxiv. 
Index, pp. 591-597. 
Note.— A pocket in the cover of Part 2 carries a reconnaissance map of the United States 
showing the distribution of the geologic systems as far as known, compiled from data in the 
possession of the United States Geological Survey, by W J McGee, 1893. 
Fifteenth Annual Report of the United States Geological Survey, 1893-94, J. W. 
Powell, Director. 1895. 8°. v, 755 pp., 48 pis. (Out of stock.) 
Report of the Director, pp. 1-110, pi. i. 
Administrative reports, pp. 111-258. 
Preliminary report on geology of common roads of United States, by N. S. Shaler, pp. 259-306. 
The Potomac formation, by L. P. Ward, pp. 307-397, pis. ii-iv. 
Sketch of geology of San Francisco Peninsula, by A. C. Lawson, pp. 399-476, pis. v-xii. 
Preliminary report on Marquette iron-bearing district of Michigan, by C. R. Van Hise and 
W. S. Bayley; with a chapter on Republic trough, by H. L. Smyth, pp. 477-650, pis. xiii-xxvi. 
General relations of granitic rocks in the Middle Atlantic Piedmont Plateau, by G. II. Williams, 
pp. 651-684, pis. xvii-xxxv. 
Origin and relations of central Maryland granites, by C. R. Keyes, pp. 685-740, pis. xxx vi-xlviii. 
Index, pp. 741-755. 
Sixteenth Annual Report of the United States Geological Survey, 1894-95, Charles I). 
Walcott, Director. 1896. [Pts. II, III, and IV, 1895.] 8°. 4 pt, (Out of stock.) 
Pt. I. Director's report and papers of a theoretic nature, xxii, 910 pp., 117 pis. 
Report of Director, pp. 1-130, pi. i. 
Dinosaurs of North America, by O. C. Marsh, pp. 131-414, pis. ii-lxxxv. 
Glacier Bay and its glaciers, Alaska, by H. F. Reid, pp. 415-461, pis. lxxxvi-xcvi. 
Some analogies in the Lower Cretaceous of Europe and America, by L. F. Ward, pp. 
463-542, pis. xcvii-cvii. 
Structural details in the Green Mountain region and in eastern New York, by T. N. 
Dale, pp. 543-570. 
