warman.J DEVONIAN DIKE. 91 
Devonian rocks; Ogden quartzite of Nevada Bull 208, p 20 
Ohio shale of Ohio Mon xli, pp 59-61 
Old Red sandstone of New York Bull 41 , pp 16-17 
Oneonta sandstone, deposition of, evidence of shifting of faunas associated 
with Bull 210, pp 97-103 
Oriskany sandstone in Erie and Ohio basins Mon xli, p 56 
Ouray limestone of Colorado, Silverton quadrangle Bull 182, p 35 
Portage formation or group of New York Mon xli, 
p 58; Bull 3, pp 7, 8, 13, 20-21, 29; Bull 41, pp 21, 22,23-24,25 
of New York, fauna of eastern extension of Bull 210, pp 71-73 
Romney formation of Maryland, fauna of Bull 210, p 67 
Sellersburg formation of Indiana, fauna of Bull 210, pp 66-67 
Traverse group of Michigan Ann 22, in, p 644 
Tully limestone of New York Bull 3, p 9 
Union shale of Montana Ann 22, n, p 438 
Venango oil sands of Pennsylvania Bull 41 , pp 19, 25 
Wasatch limestone of Nevada Bull 208, p 23 
Waver ly shale of Ohio Mon xli, p 61 
White Pine shales of Nevada Ann 2, p 28; Bull 8, p 42; Bull 208, p 23 
Woodford chert of Indian Territory GF 79, p 4 
Devonian system, definition of Ann 14, i, p 43 
Dexter Creek, gold on N and N, pp 75-76 
Diabase, analysis of _ Bull 209, p 87 
analysis of, from Arizona, Globe district PP 12, p 84 
from Vermont, Ascutney Mountain Bull 209, p 1 18 
of Alaska, Ketchikan district PP 1, pp 47-48 
of Arizona, Globe district PP 12, pp 80-86 
of Minnesota, Mesabi district Mon xliii, pp 185-186 
of New Jersey, New York City district GF 83, pp 8-9 
of Oregon, Blue Mountains t Ann 22, n, p 588 
Diamond, occurrence and statistics of MR 1900, pp 749-756, 777; 
MR 1901 pp 730-736, 770 
Diamond Peak quartzite of Nevada Ann 2, p 28; Bull 8, p 43; Bull 208, p 18 
Diamond Range, Nevada, geology of Bull 208, pp 81-84 
Diastrophism; changes of level during deposition of Coastal Plain forma- 
tions Bull 212, pp 66-67 
faulting in Colorado, Silverton quadrangle Bull 182, p 37 
faults in Alaska, Copper River district Copper, p 62 
in Arizona, Globe district PP 12, pp 97-106 
in Georgia, Rome quadrangle GF 78, pp 4-5 
in Missouri, southwestern district Ann 22, n, pp 168-173 
in Nevada, south of fortieth parallel Bull 208, passim 
faults and folds in Appalachian Valley .GF 78, p 4 
in Green Mountain region Bull 195, pp 10-12 
in Nevada south of fortieth parallel Bull 208, passim 
in Tennessee, Cranberry quadrangle GF 90, p 6 
.in Texas, Austin quadrangle GF 76, p 7 
folding in Indian Territory, Coalgate quadrangle GF 74, p 5 
mountain growth in Colorado, Spanish Peaks quadrangle GF 71, p 2 
uplift in Indian Territory, Coalgate quadrangle GF 74, p 5 
in Pennsylvania, western GF 82, p 4 
Dictionary, geographic, of Alaska Bull 187 
(See, also, Gazetteer.) 
Dike rock, analysis of, from Colorado, Cripple ( 'reek district (basic) - - Ann 16, n, p 50 
