TLASSIFICATIOI^ OF THE PUBLICATIONS OF THE UNITED STATES GEOLOGICAL 
SURVEY. 
[Bulletin No. 2(i9.] 
The serial publications of the United States Geological Survey consist of (1 ) Annual 
Reports, (2) Monographs, (3) Professional Papers, (4) Bulletins, (5) Mineral 
Resources, (6) Water-Supply and Irrigation Papers, (7) Topographic Atlas of 
United States — folios and separate sheets thereof, (8) Geologic Atlas of tlie United 
States — folios thereof. The classes numbered 2, 7, and 8 are sold at cost of publi- 
cation; the others are distributed free. A circular giving complete lists may be had 
on application. 
Most of the above publications may be obtained or consulted in the following ways: 
1. A limited number are delivered to the Director of the Survey, from whom they 
may be obtained, free of charge (except classes 2, 7, and 8), on application. 
2. A certain number are delivered to Senators and Representatives in Congress, 
for distribution. 
3. Other copies are deposited with the Superintendent of Documents, Washington, 
D. C, from whom they may be had at practically cost. 
4. Copies of all Government publications are furnished to the principal public 
libraries in the large cities throughout the United States, where they may be con- 
sulted by those interested. 
The Professional Papers, Bulletins, and Water-Supply Papers treat of a variety of 
subjects, and the total number issued is large. They have therefore been classified into 
the following series: A, Economic geology; B, Descriptive geology; C, Systematic 
geology and paleontology; D, Petrography and mineralogy; E, Chemistry and phys- 
ics; F, Geography; G, Miscellaneous; H, Forestry; I, Irrigation; J, Water storage; 
K, Pumping water; L, Quality of water; M, General hydrographic investigations; 
N, Water power; O, Underground waters; P, Hydrographic progress reports. This 
paper is the sixty-first in Series A, the complete list of which follows (PP=Profes- 
sional Paper; B=Bulletin; WS=Water-Supply Paper): 
SERIES A, ECONOMIC GEOLOGY. 
B 21. Lignites of Great Sioux Reservation; Report on region between Grand and Morean rivers, 
Dakota, by Bailey Willis. 1885. 16 pp., 5 pis. (Out of stock.) 
B 46. Nature and origin of deposits of phosphate of lime, by R. A. F. Penrose, jr., witli introduction 
by N. S. Shaler. 1888. 143 pp. (Out of stock.) 
B 65. Stratigraphy of the bituminous coal field of Pennsylvania, Ohio, and West Virginia, by I. C. 
White. 1891. 212 pp., 11 pis. (Out of .stock.) 
B 111. Geology of Big Stone Gap coal field of Virginia and Kentucky, by M. R. Campbell. 1893. 106 
pp., 6 pis. 
B 132. The disseminated le^d ores of southeastern Missouri, by Arthur Winslow. IsyCi. 31 pp. 
B 138. Artesian-well prospects in Atlantic Coastal Plain region, by N. H. Darton. 189(1. 228 pp., 19 
pis. (Out of stock.) 
B 139. Geology of Castle Mountain mining district, Montana, by W. H. Weed and L. V. Pirsson. 1896. 
164 pp., 17 pis. 
B 143. Bibliography of clays and the ceramic arts, by J. C. Branner. 1896. 114 pp. 
B 164. Reconnaissance on the Rio Grande coal fields of Texas, by T. W. Vaughan, including a report 
on igneous rocks from the San Carlos coal field, by E. C. E. Lord. 1900. 100 pj)., 11 pis. 
B 178. El Paso tin deposits, by W. H. Weed. 1901. 15 pp., 1 pi. 
B 180. Occurrence and distribution of corundum in United States, by .1. H. Pratt. 1901. 98 pp., 14 pis. 
B 182. A report on the economic geology of the Silverton quadrangle, Colorado, by F. L. Ransome. 
1901. 266 pp., 16 pis. 
B 184. Oil and gas fields of the western interior and northern Texas Coal Measures and of the Upper 
Cretaceous and Tertiary of the western Gulf coast, by G. I. Adams. 1901. 64 pp., 10 pis. 
(Out of stock.) 
Bull. 269—06 .M 12 i 
