warman.] CLAY COAL. 75 
Coal, analyses of, from Iowa Ann 22, in, p 347 
analyses of, from Kansas .Ann 22, in, p 347 
from Maryland, Potomac Basin Ann 22, in, p 211 
from Michigan, various localities Ann 22, in, pp 321-322, 675, 676 
from Missouri Ann 22, in, p 347 
from Montana Ann 22, in, p 425 
from New Mexico Ann 22, in, p 425 
from North Carolina, Deep Diver area Ann 22, in, p 47 
-Stokes County Ann 22, in, p 51 
from Ohio, bituminous field Ann 22, in, p 221 
from Oregon, Coos Bay Ann 22, in, p 510 
Kckley region GF 89, p 5 
Riverton GF 89, p 5 
Shasta Costa Creek GF 89, p 5 
from Pennsylvania Ann 22, in, pp 72, 73 
bituminous fields Ann 22, in, pp 183-185 
Connellsville Basin (bituminous) Ann 22, in, p 176 
Youghiogheny River GF 82, p 12 
from Rocky Mountain fields Ann 22, in, pp 424-425 
from Texas, north Ann 22, in, pp 407-408 
from Virginia, Richmond area Ann 22, in, pp 37, 38 
from Washington Ann 22, in, p 490 
from West Virginia, used in Michigan cement industry. . .Ann 22, in, p 675 
from Wyoming Ann 22, in, p 424 
classification of, as fuel Ann 22, in, pp 19-22 
coking value of, from Eastern Interior field Ann 22, in, pp 291-293 
distribution of, in United States Ann 22, in, pp 12-14 
fuel ratios of, in Southwestern field Ann 22, in, p 21 
gas-producing value of, from Eastern Interior field Ann 22, in, pp 293-294 
in Alabama, production, etc., of _ Ann 22, in, p 13 
in Alaska, Copper River region, notes on Copper, pp 91-92 
Dall and Kowak rivers PP 10, p 49 
Norton Bay region N and N, p 214 
Yukon Basin Bull 213, pp 276-283 
in Arkansas, production, etc., of Ann 22, in, p 13 
in California, production, etc., of Ann 22, in, p 13 
in Colorado, production, etc., of Ann 22, in, pp 12, 13 
Spanish Peaks quadrangle GF 71 , pp 5-6 
in Georgia, production, etc., of Ann 22, in, p 13 
in Idaho, production, etc., of Ann 22, in, p 13 
in Illinois, production, etc., of Ann 22, in, p 13 
in Indian Territory, Atoka quadrangle GF 79, p 7 
Coalgate quadrangle GF 74, p 6 
production, etc., of Ann 22, in, p 13 
in Indiana, Ditney quadrangle - GF 84, p 7 
production, etc., of Ann 22, in, p 13 
in Iowa, production, etc., of Ann 22, in, p 13 
in Kansas, production, etc., of Ann 22, in, p 13 
in Kentucky, production, etc., of Ann 22, in, pp 12, 13 
in Maryland, Cumberland and Georges Creek field .Ann 14, n, p 579 
production, etc., of Ann 22, in, p 12 
in Michigan, production, etc., of Ann 22, in, p 13 
in Missouri, production, etc., of Ann 22, in, p 13 
in Montana, Jurassic rocks Ann 22, in, p 460 
production, etc. , of Ann 22, in, p 13 
