a.dvehtiseme:nt. 



[Monograph XXVII.] 



The statute approved March 3, 1879, establishing the United States Geological Survey, contains 



° ""fhe publicationsof the Geological Survev shrill consist of the annua] reporl of operations, geo- 

 1 .ffical and economic maps illustrating the resources and classification of the lands, and reports upon 



freneral'and economic geology and paleontology. The annual report of opera! a ol the Geological 



lurvey shall accompany the annual report of the Secretary of the [nterior. All special memoirs and 

 „„..,,,'<, ,,i' Raid Survev shall be issued in uniform quarto series it deemed neee—an hy the Director, but 

 XSiiiordinaryoctavos. Threethousand copies of each shall be pubUshed for scientific exchanges 



and foT sale at thepric ' publication ; and all literary and cartographic materials received ro exchange 



shall be the property of the United States and form a part of the librarj of the organization: Andtl.e 

 monej resulting from the sale of snch publications shall be covered into the treasury ol the 1 uited 



>t ' t ' l'x.ept in those cases in which an extra number of any special memoir or reporl has been sup- 

 plied to the Survev by special resolution of Congress or has been ordered by the Secretarj ol the 

 Interior, this office has no ...pies for gratuitous distribution. 



ANN! A I. REPORTS. 



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

 ivo 1 man —A preliminary reporl describing plan of organization and publications. 



Q. Second Annual Reporl of the United state- Geological Survey, 1880-'81, bj J. W. Powell. 



1XS " 111. Third Annual Report of the United Slates Geological Survey, l881-'82, by J. W. Powell. 



1883 ' IV. Fonrth Annual Report of the United states Geological Survey, l882-'83, bj J. W. PoweU. 

 1884 8 xxxii, ITo pp. 85 pi. and maps. „ 



V. Fifth Annual Report of the United state- Geological Survey, l883-*84, by J. W. Powell. 

 ISM.", s . \\\\i. U>9 pi'- 5M pi. and maps. . . . , , „• ,. n 



VI. Sixth Annual Report of the United states Geological Survey, L884-'85, bj J. W. PoweU. 



VII. Seventh Annual Report of the United States Geological Survey, l885-'86, by J. W. Powell. 



' VIII KghthAnnual Report of the United State- Geological survey. l886-'87, by J. W". PoweU. 

 1889 8 ~2pt. xix, 474, xii pp. 53 pi. and maps ; 1 p. 1. 175-1063 pp. 54-76 pi. and maps. 



' IX. Ninth Annual Report of the United states Geological Survey. l887-'88, bj .1. W. 1 ..well. 

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



X. Tenth Annual Report of the United States Geological survey. l888-'89, bj J. W. 1 ..well. 

 1810 8 " nt xv. 771pp. 98 pi. and maps : viii, 123 pp. 



XI.' Eleventh Annual Report of the United States Geological Survey. l889-'90, by J. \\ . PoweU. 

 1891. 8°. 2 pt. xv,757pp. 66 pi. and maps ; ix, 351 pp. 30 pi. and maps. 



XII Twelfth \nniial Report of the United States Geological Survey. 1890-'91,by .1. W. 1 owell. 

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



XIII Thirteenth Annual Report of the United state- Geological survey. 1891- 92, by J. W. 

 Powell. 1893. 8°. 3pt. vii.L'IOpp. 2 maps ; x, 372pp. 105 pi. and maps; xi, 486 pp. .7 pi. ana 



m ' lP8 'xiV. Fourteenth Annual Report of the Tinted States Geological Survey, !892-'93, by J. W. 

 Powell 1893 8 2 pt. vi,321pp. 1 pi. ; xx, 597 pp. 71 pi. and maps. 



XV. Fifteenth Annual Report of the United States Geological Survey, 1893-'94, by J. W. PoweU. 



XVI Sixteentti P Annual'Reportof the United States Geological Survey. 1894-'95, by Charles D. 

 Walcott. 1895. (Part I, 1886.) 8°. 4 pt. xxii, 910pp. 117 pi. and maps; xix, 598 pp. to pi. and 



maps; xv, GIG pp. 23 pi. ; xix, 735 pp. 6 pi. 



