308 
BIBLIOGRAPHY OF NORTH AMERICAN GEOLOGY, lUUO-l'JOT. 
Sabine stage, Eocene, Louisiana: Harris, 
1079. 
Saddlehorse lentil, Permian, Texas: Could, 
987. 
Saginaw formation, Carboniferous, Michi- 
gan : Cooper, 575 ; Lane, 1516. 
St. Clair limestone, Silurian, Arkansas : 
Purdue, 1970. 
St. Clair marble, Silurian, Indian Territory ; 
Taff, 2332. 
St. Croix formation, Cambrian, Iowa: Cal- 
vin, 387 ; Leonard, 1559. 
St. Croix sandstone, Cambrian, Iowa: 
Beyer and Williams, 234. 
St. Joe limestone member, Mississippian, 
Arkansas : Purdue, 1971. 
St. Joe marble, Carboniferous, Arkansas : 
Purdue, 1970. 
St. Joe member, Mississippian, Indian Ter- 
ritory : Taff, 2332. 
St. Lawrence formation, Cambrian, Iowa : 
Calvin, 387. 
St. Lawrence limestone, Cambrian, Iowa : 
Beyer and Williams, 234. 
St. Louis limestone, Carboniferous, Iowa : 
Calvin, 387. 
St. Louis limestone, Mississippian, Illinois : 
Bowman and Reeds, 277 ; Fenneman, 
860; Weller, 2523. 
St. Louis limestone, Mississippian, Missis- 
sippi : < 'rider, 595. 
St. Louis limestone, Mississippian, Mis- 
souri : Shepard, 2194. 
St. Louis stage, Mississippian, Iowa : Beyer 
and Williams, 234, 
St. Mary's formation, Miocene, Maryland : 
Clark and Mathews, 488; Shattuck, 2185, 
2188, 2191. 
St. Mary's formation, Tertiary, Virginia : 
Clark and Miller, 489. 
St. Peter sandstone, Cambrian, Michigan : 
Lane and Seaman, 1518. 
St. Peter sandstone, Oainbro-Ordovician, 
Missouri: Shepard, 2104. 
St. Peter sandstone, Ordovician, Illinois : 
Weller, 2517, 2524. 
St. Peter formation, Ordovician, Iowa : 
Calvin, 387, 388 ; Leonard, 1559. 
St. Peter sandstone, Ordovician, upper Mis- 
sissippi Valley : Bain, 99 ; Berkey, 205 ; 
Davis, 663. " 
St. Peter sandstone, Ordovician, Wiscon- 
sin : Alden, 23 ; Grant, 1017 ; Grant and 
Burchard, 1021. 
St. Peters sandstone, Ordovician. Illinois : 
Bowman and Reeds, 277 ; Weller, 2523. 
St. Regis formation, Algonkian, Montana : 
MacDonald, 1658; Walcott, 2470. 
St. Stephen's limestone, Eocene, Alabama : 
Smith, 2229. 
St. Stephen's limestone, Tertiary, Gulf 
region : Smith, 2226. 
Salem limestone, Carboniferous, Indiana : 
Cumings and Beede, 612. 
Salem (Bedford) limestone, Mississippian, 
Indiana : Reagan, 1998. 
Salina formation, Silurian, New York : 
Hartnagel, 1085. 
Salina member, Silurian, Maryland: Clark 
and Mathews, 488. 
Salkehatchie marl, Miocene, South Caro- 
lina : Sloan, 2218. 
Salt Plain shales, Permian, Kansas: 
Wooster, 2636. 
Saltsburg sandstone, Carboniferous, Penn- 
sylvania : Butts, 368. 
Saltzburg sandstone. Carboniferous, West 
Virginia : Grimsley, 1044, 1046. 
Saluda zone, Archean, South Carolina : 
Sloan, 2218. 
San Bruno limestone, California : Crandall, 
591. 
Sandia beds. Carboniferous, New Mexico : 
Gordon 982, 
Sandia formation, Carboniferous, New 
Mexico : Keyes, 1377. 
Sandusky formation, Devonian, Ohio : 
Swartz, 2329. 
Sangamon, Quaternary, Iowa : Calvin, 387. 
San Juan tuff, Colorado : Cross et ah, 607. 
Sankaty formation, Quaternary, New 
York : Veatch, 2434. 
Sankaty Head beds, Pleistocene, Nantucket 
Island : Wilson, 2610. 
San Lorenzo, Tertiary, California : Arnold, 
57. 
San Miguel bods of Eagle Pass formation, 
Cretaceous, Texas: Udden, 2408. 
San Pablo formation. Tertiary, California : 
Prindle, 1956. 
San Pedro formation. Pleistocene, Cali- 
fornia : Prindle, 1956. 
San Pedro shales, California : Crandall, 
591. 
Santa Fe sands, Miocene, New Mexico;. 
Keyes, 1388, 1390. 
Santee marl, Eocene, South Carolina: 
Sloan, 2218. 
Saratoga formation, Cretaceous, Arkansas : 
Veatch, 2436. 
Savanna formation. Carboniferous, Arkan- 
sas : Collier, 556. 
Scarborough beds of Toronto formation, 
Quaternary, Canada : Coleman, 547. 
Schoharie grit, Devonian, New York : Gra- 
bau, 991. 
Scotland schist, Connecticut : Gregora 
1034 ; Gregory and Robinson, 1038. 
Sea Island sands, Pleistocene, South Caro- 
lina : Sloan, 2218. 
Seekonk conglomerate, Massachusetts : 
Mansfield, 1674. 
Selkirk series, British Columbia : Dawson, 
686. 
Sellersburg beds, Devonian, Indiana : Stauf- 
fer, 2278. 
Sellersburg limestone, Devonian, Indiana : 
Blatchley, 246. 
Selma chalk. Cretaceous, Alabama : Smith, 
2229. 
Selma chalk, Cretaceous, Mississippi : Cri- 
der, 595, 598 ; Crider and Johnson, 599 ; 
Logan, 1608, 
