[Monograph XX.] 



The publications of the United States Geological Survey are issued in accordance with the statute 

 approved March 3, 1879, which declares l hat 



"The publications of the Geological Survey shall consist of the annual report of operations, geo- 

 logical and economic maps illustrating the resources and classification of the lands, a.nd reports upon 

 general and economic geology and paleontology. The annual report of operations of the Geological 

 Survey shall accompany the animal report of the Secretary of the Interior. All special memoirs and 

 reports of said Survey shall be issued in uniform quarto series if deemed neceasary by the Director, hut 

 otherwise iii ordinary octavos. Three thousand copies of each shall be published lor scientific exchanges 

 and for sale at the price of publication; and all literary and cartographic materials received in exchange 

 shall be the property of the United States and form a part of the library of the organization : And the 

 money resulting from the sale of such publications shall be covered into the Treasury of the United 

 States." 



The following joint resolution, referring to all government publications, was passed by Congress 

 July 7, 1882: 



"That, whenever any document or report, shall be ordered printed by Congress, there shall be 

 printed, in addition to the number in each case stated, the 'usual number' (1,900) of copies for binding 

 and distribution among those entitled to receive them." 



Except in those cases.in which an extra number of any publication has been supplied to the Sur- 

 vey by special resolution of Congress or has been ordered by the Secretary of the Interior, this office 

 has no copies for gratuitous distribution. 



ANNUAL REPORTS. 



I. First Annual Report of the United States Geological Survey, by Clarence King. 1880. 8. 79 

 pp. 1 map. A preliminary report describing plan of organization and publications. 



II. Second Annual Report of the United States Geological Survey, 1880-'81, bv J. W. Powell. 



1882. 8 C . Iv, 588 pp. 62 pi. 1 map. 



III. Third Annual Report of the United States Geological Survey, 1881-'82, by J. W. Powell. 



1883. 8. xviii, 564 pp. 67 pi. and maps. 



IV. Fourth Annual Report of the United States Geological Survey, 1882-'83, by J. W. Powell. 



1884. 8. xxxii, 473 pp. 85 pi. and maps. 



V. Fifth Annual Report of the United States Geological Survey, 1883-'84, by J. W. Powell. 

 1385. 8. xxxvi, 469 pp. 58 pi. and maps. 



VI. Sixth Annual Report of the United States Geological Survey, 1884-'85 ) by J. W. Powell. 



1885. 8. xxix, 570 pp. 66 pi. and maps. 



VII. Seventh Annual Report of the United States Geological Survey, 1885-'86, by J. W. Powell. 



1888. 8. xx, 656pp. 71 pi. and maps. 



VIII. Eighth Annual Report of the United States Geological Survey, 1886-'87, by J. W. Powell. 



1889. 8. 2v. xix, 474, xii pp. 5:! pi. and maps; 1 p. 1. 475-1063 pp. 54-76 pi. and maps, 



IX. Ninth Annual Report of the United States Geological Survey, 1887-'88, by J. W. Powell. 



1889. 8. xiii, 717 pp. 88 pi. and maps. 



X. Tenth Annual Report of the United States Geological Survey, 1888-'89, by J. W. Powell. 



1890. 8. 2 v. xv, 774 pp. 98 pi. and maps; viii, 123 pp. 



XI. EleventhJAnnual Report of the United States Geological Survey, 1889-'90, by J. W. Powell. 



1891. 8. 2 v. xv, 757 pp. 66 pi. and maps ; ix, 3">1 pp. 30 pi. and maps. 



XII. Twelfth Annual Report of the United States Geological Survey, 1890-'!U, by J. W. Powell. 

 1891. 8 2 v. xiii, 675 pp. 53 pi. and maps ; xviii, 576 pp. 146 pi. aud maps. 



MONOGRAPHS. 



I. Lake Bonneville, by Grove Karl Gilbert. 1890. 4. xx, 438 pp. 51 pi. 1 map. Price $1.50. 



II. Tertiary History of the Grand Canon District, with atlas, by Clarence E. Button, Capt., U. S. A. 

 1882. 4. xiv, 264 pp. 42 pi. and atlas of 24 sheets folio. Price $10.00. 



III. Geology of the Comstock Lode and the Washoe District, with atlas, by George F. Becker. 

 1882. 4. xv, 422pp. 7 pi. and atlas of 21 sheets folio. Price $11.00. 



IV. Comstock Mining and Miners, by Eliot Lord. 1883. 4. xiv, 451 pp. 3 pi. Price $1.50. 



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