270 BIBLIOGRAPHY OF NORTH AMERICAN GEOLOGY, 1906-1907. 
Slate— Continued . 
Pennsylvania : Dale and Eckel, 625. 
Tennessee : Dale and Eckel, 625. 
United States (general): Dale, 620; 
2418, 2419. 
Utah : Dale and Eckel, 625. 
Vermont : Dale and Eckel, 625 ; Hille- 
brand, 1159 ; Perkins, 1907. 
Virginia : Dale and Eckel, 625 ; Wat- 
son, 2493. 
West Virginia : Dale and Eckel, 625. 
Soapstone. 
California : Aubury, 87. 
United States (general) : 2418, 2419. 
Virginia: Watson, 2493. 
Soils. 
General: Hilgard, 1144. 
Bureau of soils, report : Whitney ct al., 
2570, 2571. 
Maryland, Calvert County : Bonsteel 
and Burke, 255. 
St. Marys County : Bonsteel, 254. 
Soil survey field book : 2416. 
Soil surveys : Whitney et al., 2570, 
2571. 
Tennessee : Mooers, 1768. 
Treatise on rocks, rock weathering, and 
soils: Merrill, 1732. 
South Carolina. 
General. 
Mineralogical and geological cabinets 
of South Carolina College : Mar- 
tin, 1679. 
Economic. 
Clays : Sloan, 2217. 
Gold : Graton, 1025. 
Mineral resources : Sloan, 2218. 
Monazite : Bohm, 252 ; Sterrett, 2289. 
Pisgah quadrangle : Keith, 1353. 
Tin : Graton, 1025 ; Hess, 1139. 
Dynamic and structural. 
Charlestovvn earthquake : Fuller, 909 ; 
Hobbs, 1189; Kemp, 1359. 
Physiographic. 
Tallulah district, drainage modifica- 
tions : Johnson, 1303, 1307. 
Stratigraphic. 
General: Sloan, 2218. 
Pisgah quadrangle : Keith, 1353. 
Pleistocene : Pugh, 1963. 
Paleontology. 
Cretaceous floras : Berry, 224. 
South Dakota. 
General. 
State survey : Perisho, 1904. 
Economic. 
Black Hills : .Storms, 2317. 
tin : Carpenter, 434 ; Sadtler, 2112. 
Gold: Sadtler, 2112. 
Gold ores, cement, of Deadwood : 
Pratt, 1948. 
Tin : Carpenter, 434 ; Sadtler, 2112. 
Physiographic. 
Drainage modifications in the Black 
Hills and Bighorn Mountains : 
Mansfield, 1673. 
South Dakota— Continued. 
Stratigraphic. 
Missouri River loess : Todd, 2378. 
Paleontology. 
Cycads from the Black Hills : Wieland, 
2574. 
Jurassic fossils from the Black Hills : 
Whitfield and Hovey, 2563. 
Miocene fauna : Matthew, 1702. 
Petrology. 
Igneous rocks of Black Hills : Smith, 
2249. 
Mineralogy. 
Cassiterite and other minerals : Head- 
den, 1115. 
Spongida. 
Cryptozoa of Champlain sea : Seely, 
2163. 
Wingia: Seely, 2164. 
Stone. See Building stone. 
Stratigraphic (general). For regional see tinder 
the various States. 
General. 
Overlap, sedimentary : Grabau, 991. 
Stratigraphic geology : Prosser, 1960. 
Unconformities, significance of : Keyes, 
1378. 
Correlation. 
Algonkian of Montana : Walcott, 2470. 
Appalachian and eastern interior coal 
fields : Ashley, 76. 
Carboniferous, America : Keyes, 1376, 
1381 ; Schuchert, 2147. 
Appalachian region : Stevenson, 
2294, 2295. 
United States and New Mexico : 
Keyes, 1377. 
Columbus and Sandusky formations of 
Ohio : Swartz, 2329. 
Cretaceous, Atlantic Coastal Plain : 
Knapp, 1407. 
Devonian of Ohio and Indiana : Stauf- 
fer, 2278. 
Devonian of Ohio, New York, and 
Michigan : Stauffer, 2277. 
Pre - Cambrian : Adams et al., 13; 
Miller and Knight, 1759. 
Rocky Mountains and Plateau belt : 
Cross, 604. 
Nomenclature. 
Geologic nomenclature : Chamberlin, 
461. 
Laramie, origin and definition of the 
term : Veatch, 2439. 
New York geological formations : 
Clark©, 492. 
Ontario, Michipicoten iron ranges : 
Coleman, 542. 
Permian in American geology : Keyes, 
1381. 
Pre - Cambrian : Adams et al., 13 ; 
Coleman, 540. 
Syclinorium and anticlinorium, use of 
terms: Rice, 2032. 
Terms Des Moines and Missourian 
misused ; Bain, 103. 
