124 THE UNITED STATES GEOLOGICAL SURVEY. [bull. 227. 
Sixteenth Annual Report of the U. S. Geological Survey, etc. — Continued. 
Ft. T. Principles of pre-Cambrian North American geology, by C. R. Van Hise, with an appen- 
dix on flow and fracture of rocks as related to structure, by L. M. Hoskins, pp. 571-874, I 
pis. cviii-cxvii. 
Summary of primary triangulation executed between 1882 and 1894, by Henry Gannett, 1 
pp. 875-885. 
Index, pp. 887-910. 
Pt. II. Papers of an economic character, xix, 598 pp., 43 pis. 
Geology and mining industiies of Cripple Creek district, Colorado, by Whitman Cross j 
and R. A. F. Penrose, jr., pp. 1-209, pis. i-xiv and supplemental map. 
Geological reconnaissance across Idaho, by G. H. Eldridge, pp. 211-276, pis. xv-xvii. 
Geology of road-building stones of Massachusetts, with some consideration of similar 
materials from other parts of the United States, by N. S. Shaler, pp. 277-341, pis. 
xviii-xxiv. 
Economic geology of Mercur mining district, Utah, by J. E. Spurr, with introduction 
by S. F. Emmons, pp. 343-455, pis. xxv-xxxiv. 
The public lands and their water supply, by F. H. Newell, pp. 457-533, pis. xxxv-xxxix 
Water resources of a portion of the Great Plains, by Robert Hay, pp. 535-588, pis. xl-xlii 
Index, pp. 589-598. 
Pt. III.« Mineral resources of the United States, 1894; metallic products, xv, 646 pp., 23 pis. 
Pt. IV. a Mineral resources of the United States, 1894; nonmetallic products, xix, 735 pp., 6 pis. 
Seventeenth Annual Report of the United States Geological Survey, 1895-96, Charles 
D. Walcott, Director. 1896. 8°. 3 pts. in 4 vols. (Out of stock.) 
Pt. I. Director's report and other papers, xxii, 1076 pp., 67 pis. 
Report of Director, pp. 1-200, pi. i. 
Magnetic declination in the United States, by Henry Gannett, pp. 203-440, pis. ii-iii. 
Geological reconnaissance in northwestern Oregon, by J. S. Diller, pp. 441-520, pis. iv-xvi. 
Further contributions to geology of Sierra Nevada, by H. W. Turner, pp. 521-762, pis. 
xvii-xlvii. 
Report on coal and lignite of Alaska, by W. H. Dall, pp. 763-908, pis. xlviii-lviii. 
The uintaite (gilsonite) deposits of Utah, by G. H. Eldridge, pp. 909-949, pis. lix-lx. 
Glacial brick clays of Rhode Island and southeastern Massachusetts, by N. S. Shaler, 
J. B. Woodworth, and C. F. Marbut, pp. 951-1004, pis. Ixi-lxii. 
Faunal relations of the Eocene and Upper Cretaceous on Pacific coast, by T. W 
Stanton, pp. 1005-1060, pis. lxiii-lxvii. 
Index, pp. 1061-1076. 
Pt. II. Economic geology and hydrography, xxv, 864 pp., 113 pis. 
Gold-quartz veins of Nevada City and Grass Valley districts, California, by Waldemar 
Lindgren, pp. 1-262, pis. i-xxiv. 
Geology of Silver Cliff and the Rosita Hills, Colorado, by Whitman Cross, pp. 263-403, 
pis. xxv-xxxvi. 
Mines of Custer County, Colo., by S. F. Emmons, pp. 405-472, pi. xxxvii. 
Geologic section along the New and Kanawha rivers in West Virginia, by M. R. Camp- 
bell and W. C. Mendenhall, pp. 473-511, pis. xxxviii-xlix. 
Tennessee phosphates, by C. W. Hayes, pp. 513-550, pis. 1-lv. 
Underground water of the Arkansas Valley in eastern Colorado, by G. K. Gilbert, pp. ! 
551-601, pis. Ivi-lxviii. 
Preliminary report on artesian waters of a portion of the Dakotas, by N. H. Darton, pp 
603-694, pis. lxix-cvii. 
Water resources of Illinois, by Frank Leverett, pp. 695-849, pis. eviii-exiii. 
Index, pp. 851-864. 
Pt. III. Mineral resources of the United States, 1895; metallic products and coal, xxii, 542pp. ,8pls.j 
Pt. Ill (Continued). Mineral resources of the United States, 1895; nonmetallic products, 
except coal, iii, 543-1058 pp., 5 pis. 
Eighteenth Annual Report of the United States Geological Survey, 1896-97, Charles 
D. Walcott, Director. 1897. [Pts. II and III, 1898.] 8°. 5 pts. in 6 vols. (Out 
of stock.) 
Pt. I. Director's report, including triangulation and spirit leveling, 440 pp., 4 pis. 
Report of Director, pp. 1-130, pis. i-iv. 
Triangulation and spirit leveling, by II. M. Wilson, J. H. Renshawe, E. M. Douglas, 
and R, U. Goode, pp. 131-422. 
Index, pp. 423-440. 
a Parts 1 1 1 and IV of the Sixteenth Annual Report are the direct continuation of the separate serie 
Of statistical papers known as Mineral Resources of the United States, 1882-1893, ten volumes (see p. 150.) 
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