60 INDEX TO PUBLICATIONS OF U. S. OEOL. SURVEY. [bull. 215. 
Cambrian rocks of Newfoundland Ann 12, i, pp 546-547 
of North America Ann 12, i, pp 536-540 
of Ozark region Ann 22, n, p 79 
of Tennessee, Cranberry quadrangle GF 90, pp 4-5 
Maynardville quadrangle GF 75, p. 2^ 
of States. (See, also, formation names under this heading. ) 
Pogonip limestone of Nevada Ann 2, pp 22, map, 27, 30, 34 
Potsdam rocks of Illinois GF 81, p 2 
of Iowa Ann 11, i, p 332 
of Mississippi Valley Bull 8, pp 39-40 
of New York Bull 30, pp 20-24, 67 
of St. Lawrence Valley Ann 12, i, pp 549-550 
of Wisconsin Ann ll,i,p332; Bull 8, pp 12,15,18,21 
water supply from WS 67, pp 59-60 
Poughquag quartzite of New York City district GF 83, p 4 
Prospect Mountain limestone and quartzite of Nevada Ann 2, 
pp 22, map, 27, 32, 33; Bull 208, p 21 
Reagan sandstone of Indian Territory GF 79, p 3 
Kogersville shale of Tennessee GF 75, p 2 
Rome formation of Georgia GF 78, p 2 
of Tennessee GF 75, p 2 
Rutledge limestone of Tennessee GF 75, p 2 
St. Croix sandstone of Minnesota Bull 81, pp 181-186 
Secret Canyon shale of Nevada Ann 2, pp 22, map, 27, 34; Bull 208, p 22 
Shady limestone of Tennessee GF 90, p 5 
Sioux quartzite of Minnesota Bull 81, pp 181-186 
Starmount limestone of Montana Ann 22, u, pp 435-436 
Tonto group of Grand Canyon district Ann 2, 
p 217; Ann 3, p 272; Bull 208, p 22 
Unicoi formation of Tennessee GF 90, p 4 
Watauga shale of Tennessee GF 90, p 5 
Weisner quartzite of Georgia GF 78, p 2 
Cambrian and Silurian rocks of Alabama, clays of PP 11, pp (58-69 
Cambrian system, definition of Ann 14, i, p 43 
Cambridge limestones of Pennsylvania, Ohio, and West Virginia. . .Bull 65, pp 93-94 
Camp Clarke quadrangle, Nebraska, geology of GF 87 
Campbell (M. R. ), borax deposits of eastern California Bull 213, pp 401-405 
geology of Big Stone Gap coal field of Virginia and Kentucky .. .Ann 15, pp 105 
geology of the Charleston quadrangle, West Virginia GF 72 
geology of the Masontown and Uniontown quadrangles, Pennsylvania GF 82 
geology of the Raleigh quadrangle, West Virginia GF 77 
recent work in the bituminous coal field of Pennsylvania... Bull 213, pp 270-275 
reconnaissance of the borax deposits of Death Valley and Mohave Desert. .Bull 200 
work in charge of Ann 22, i, pp 68-69, 94; Ann 23, pp 36-37 
Campbell (M. R.) and White (D. ), bituminous coal field of Pennsylvania... Ann 22, 
in, pp 127-201 
Camptonite, analysis of, average Bull 209, p 87 
analysis of, from New Hampshire, Campton Falls Bull 209, p 87 
from Vermont, Ascutney Mountain Bull 209, pp 87, 118 
of Vermont, Little Ascutney Mountain Bull 209, pp 86-87 
Canada; arsenic production of MR 1901, p 257 
asbestos production of MR 1900, pp 867-868; MR 1901 , pp 888, 894 
coal production of MR 1900, pp 315, 320; MR 1901, pp 311, 316 
copper from, statistics of MR 1900, pp 184, 185; MR 1901, pp 193, 196 
