LISTS GEOLOGIC FORMATIONS. 
291 
Corwin series, Jurassic", Alaska : Brooks, 
313. 
Cottonwood limestone, Carboniferous. Kan- 
sas: Beede and Rogers, 181: Wooster, 
2636. 
Covington group, Ordovician, Ohio and 
Kentucky: Bassler, 156. 
Cowrun sandstone, Carboniferous, Pennsyl- 
vania : Stevenson, 2294. 
Coyote formation. Carboniferous, New Mex- 
ico : Keyes, l.'i77. 
Crab Orchard division, Silurian, Kentucky : 
Foerste, 883, 884. 
Cranberry granite, Archean. North Caro- 
lina and Tennessee: Keith, 1354. 
Crescent formation, Tertiary, Washington : 
Arnold. 56. 
Creston quartzite, Algonkian, Montana : 
Walcott, 2470. 
Creston quartzite, Idaho and Montana: 
Daly, 631. 
Cripple Creek granite, Colorado: Graton, 
1026. 
Crown conglomerate, Cretaceous, Texas: 
Udden, 2400. 
Crown Point limestone. Ordovician, New 
York : Raymond. 1!)S7. 
Crusher Hill shales and limestones, Per- 
mian, Kansas: Wooster, 2636. 
Cuchara formation, Cretaceous?, Colorado: 
Darton, 648. 
Culebra beds. Panama: Howe, 1245. 
Culebra formation, Tertiary, Panama : 
Howe, 1244. 
Curdsville, Ordovician, Kentucky: Miller, 
1748. 
Cutler formation, Carboniferous (Per- 
mian?), Colorado: Cross et al, 007. 
Cuyahoga formation, Carboniferous, Ohio : 
Carney, 427. 
Cuyuna series, Minnesota: Leith, 1557. 
Cynthiana formation, Ordovician, Ken- 
tucky : Foerste, 884. 
Dadina schists. Alaska: Brooks. 313. 
Dakota formation. Cretaceous. AJberta : 
Cairnes, 381 : Howling. 7:!5. 
Dakota formation. Cretaceous, Colorado: 
Darton. 048 ; Fenneman and Oale, 863 ; 
Fisher, 869; Gale, 922. 
Dakota formation. Cretaceous, Iowa: Cal- 
vin. :;S7 ; Macbride, 1639. 
Dakota formation. Cretaceous. Montana: 
Howe, 2090. 
Dakota formation, Cretaceous, Nebraska: 
Condra, 570; Woodruff, 2628. 
Dakota formation, Cretaceous, Wyoming: 
Veatch, 2440. 
Dakota sandstone, Cretaceous, Colorado: 
Cross et al., 607. 
Dakota sandstone. Cretaceous, Colorado 
and New Mexico: Shaler, 2176. 
Dakota sandstone. Cretaceous. Wyoming: 
Darton and O'Harra, 656. 
Dakotan series, Cretaceous, New Mexico: 
Keyes, 1379. 
Danbury granodiorite-gneiss. Connect inn : 
Gregory, 1034 ; Gregory and Robinson, 
io.m 
Davenport, lower, sub-stage, Iowa: Norton, 
1805. 
Day Creek dolomite, Permian, Kansas: 
Wooster, 2636. 
Day Point limestone, Ordovician. New 
York : Raymond. L987. 
Deadwood formation. Cambrian, Wyoming: 
Darton, 642, 044-047 ; Fisher. 873. 
Decker Ferry limestone. Silurian, ,New 
York : Hartnagel, 1084. 
Decorah shale, Ordovician, Iowa : Beyer 
and Williams, 234 ; Calvin, ."{88. 
Deer Creek limestone, Carboniferous, Kan- 
sas : Wooster, 2636. 
DeKalb limestone. Pennsylvanian, Iowa : 
Beyer and Williams, 2.'>4. 
Dekkas andesite, Triassic. California : Dil- 
Ier, 721. 
Delaware limestone, Devonian, Ohio: Stauf- 
fer, 2277, 2278 ; Swart/... 2329. 
Del Rio clay. Cretaceous, Texas: Udden, 
2408, 2400. 
Denison formation, Cretaceous, Arkansas : 
Veatch, 24.">o. 
Dennis limestone. Carboniferous, Kansas: 
Beede and Rogers, 181 : Schrader and 
Haworth, 2144; Wooster, 2636. 
Denver formation. Cretaceous?, Colorado: 
Darton, 648. 
De Smet formation. Cretaceous, Wyoming : 
Darton, 644-047. 
Des Moines formation. Carboniferous, Iowa: 
Calvin, 387; Savage. 2128. 
Des Moines group, Pennsylvanian, Missouri : 
Shepard, 2104. 
Des Moines stage, Pennsylvanian, Iowa: 
Beyer and Williams, 234. 
Devil's River limestone. Cretaceous, Texas : 
Udden, 2408. 
Devonshire formation, Bermuda Islands: 
Yerrill. 2445. 
Difficulty Creek latite. Colorado, Cross et 
al, 007. 
Dighton conglomerate, Massachusetts : 
Mansfield. 1(574. 
Dillard series. Cretaceous, Oregon: Diller, 
724. 
Dockum formation. Triassic, Texas : Gould. 
986. 
Dockum group, Triassic. Texas : Could. 987. 
Dog Creek shales. Permian. Kansas : 
Wooster. 2636. 
Dolores format ion. Triassic, Colorado: 
Cross. 004 : Cross et al, 007. 
Don beds of Toronto formation. Quater- 
nary, Canada : Coleman. .".17. 
Donley limestone, Carboniferous, Pennsyl- 
vania, Ohio, and West Virginia : Gris- 
wold and Munn. 1048. 
Don- formation. Canada: Bell, 189. 
Dothan formation, Jurassic, Oregon: Diller, 
724. 
