ADVERTISEMENT. 



[Mouogniiih XXIV. 1 



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

 ai)proved March 3, 1879, ^yllil■h declares tliat— 



"The ])ublication8 of the Geological Survey shall consist of the annual report of operations, geo- 

 logical and ccononiic maps illustratiuLj tlic resources and classification of the lands, and reports upon 

 g(Mieral and economic geology and palecintoliigy. The annual report of operations of the Geological 

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

 reports of said Survey shall be issued in unit'orm quarto series if deemed necessary by the Director, l)nt 

 otherwise in ordinary octavos. Three thousand copies of each sliall be imldislied for scientific exchanges 

 and for sale at the price of publication ; and all literary and c.-irtograidiie materials received in exchange 

 shall be the property of the United States and form a ])art of the library of the organization : And tlie 

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

 States." , ,. . 1 , /-, 



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

 July 7, 18.SL': 



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

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

 and distribution aiiioUL; those entitled to receive them." 



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

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

 has no copies for gratuitous distribution. 



ANNUAL REPORTS. 



I. First Annual Keport 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, by .1. W. Powell, 



1882. g--. 1 V, .588 i>p. 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. 8^5. xxxii, 473 pp. Xo pi. and maps. 



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



1885. 8°. xxxvi, 469 pp. 58 pi. and maps. ^ 



VI. Sixth Annual Report of the United States Geological Survey, 1884-85, l>y J. \V . Powell. 

 1885. 8°. xxix, 570 pp. 65 pi. and maps. , ,„ „ 



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



1888. 8°. XX, 656 pp. 71 pi. and maps. 



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



1889. 8°. 2 V. xix, 474, xii jip. 53 pi. and maps ; 1 p. 1. 475-1063 pp. 54-76 pi. and maps. 



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



1889. 8"^. xiii, 717 pp. 88 pi. and maps. , „. „ ,i 



X. Tenth Annual Rei)ort of the United States Geological Survey, 1888-89, by .). \\ . Powell. 



1890. 8°. 2v. XV, 774 pp. 98 pi. and maps; viii, 123 j)]). 



XI. Eleventh Annual Report of the United States (ieolooical Survey, 1889-'90, by J. W. Powell. 



1891. 8-=. 2v. XV, 757 pp. 66 pi. and maps; ix, :r,l p]). 30 pi. and maps. 



XII. Twelfth Annual Report of the United States Geological Surve.v, 1890-'91, by J. W. Powell. 

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



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

 Powell, 1893. S'^. 3 v. 



