PUBLICATIONS OF UNITED STATES GEOLOGICAL SURVEY. 
[Bulletin No. 182.] 
The serial publications of the United States Geological Survey consist of (1) 
Annual Reports, (2) Monographs, (3) Bulletins. (4) Mineral Resources, (5) 
Water-supp y and Irrigation Papers, (6) Topographic Atlas of United States— 
'ol os and separate sheets thereof. (7) Geologic Atlas of United States— folios 
hereof. A circular giving complete lists may be had on application. 
The Bulletins treat of a variety of subjects, and the total number issued is 
lnrge. They have therefore been classified i to the following series: A. Economic 
geology; B, Descriptive geology (J, Systematic geo ogy and paleontology; D, 
Petrography and mineralogy: E. Chemistry and physics: F, Geography; G, Miscel- 
laneous. This bulletin is the twelfth in Series A, the complete list of which 
fo lows: 
BULLETINS, SERIES A, ECONOMIC GEOLOGY. 
21. Lignites of Great Sioux Reservation: Report on region between Grand and Moreau rivers, 
Dakota, by Bailey Willis L885. 16 pp., 5 pis. Price, 5 cents 
+(i. Nature and origin of deposits of phosphate of lime, by R. A. F.Penrose, jr., with introduc- 
tion by N. S. Shaler. 1888. 143 pp. Price, 15 cents. 
()">. Stratigraphy of the bituminous coal field of Pennsylvania, Ohio, and West Virginia, by 
Israel C. White. L891. 212pp., 11 pis. Price, 20 cents. (Exhausted.) 
111. Geology of Big Stone Gap coal field of Virginia and Kentucky, by Marius R.Campbell. 
1893. 106 pp.. 6 pis. Price, 15 cents. 
132. Disseminated lead ores of southeastern Missouri, by Arthur Winslow. 189t>. 31 pp. 
Price, 5 cents. 
138. Artesian-well prospects in Atlantic Coastal Plain region, by N. H. Darton. 1896. 228 pp., 
19 pis. Price, 20 cents. 
139. Geology of Castle Mountain mining district, Montana, by W. H. Weed and L.V. Pirsson. 
189tj. 164 pp., 17 pis. Price, 15 cents. 
143. Bibliography of clays and the ceramic arts, by John C.Branner. 1896. 114 pp. Price, 15 cents. 
164. Reconnaissance in the Rio Grande coal fields of Texas, by Thomas Wayland Vaughan, 
including a report on igneous rocks from the San Carlos coal field, by E. C. E. Lord. 1900. 100 pp., 
11 pis. and maps. Price, 20 cents. 
178. El Paso tin deposits, by Walter Harvey Weed. 1901. 15 pp., 1 pi. Price, 5 cents. 
180. Occurrence and distribution of corundum in United States, by J. H.Pratt. 1901. 98 pp., 
14 pis. Price, 20 cents. 
182. Report on economic geology of Silverton quadrangle, Colorado, by F. L. Ransome. 1901. 
265 pp., 16 pis. and maps. Price, 50 cents. 
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