LISTS GE( )LOGTC FORMATIONS. 
295 
Grand Gulf formation, Tertiary, Gulf re- 
gion: Smith, 2226, 2228. 
Grand Gulf formation, Tertiary, Missis- 
sippi : Crider, 505 ; Crider and Johnson, 
500. 
Grand Rapids, upper and lower, Carbonifer- 
ous, Michigan : Cooper, 575. 
Graneros shale. Cretaceous, Colorado : Dar- 
ton, 648 ; Fisher, 869. 
Graneros shale, Cretaceous, Nebraska : Con- 
dra, 570. 
Graneros shale, Cretaceous, Wyoming : Dar- 
ton and OTIarra, 656. 
Gravina series, Cretaceous, Alaska: Brooks, 
313. 
Graydon sandstone, Pennsylvanian, Mis- 
souri : Shepard, 2104. 
Great conglomerate, Cambrian, Michigan: 
Lane and Seaman, 1518. 
Groat Smoky conglomerate, Cambrian, 
North Carolina and Tennessee: Keith, 
1352. 
Greenbrier formation, Mississippian, Mary- 
land : Clark and Mathews, 488. 
Greenbrier limestone, Carboniferous, Penn- 
sylvania : Clapp, 475. 
Greenbrier limestone, Carboniferous, West 
Virginia : Grimsley, 1044. 
Greenbrier limestone, Mississippian, Penn- 
sylvania : Clapp, 477. 
Greenbrier limestone, Mississippian, Vir- 
ginia : Bassler, 158. 
Greendale bed, Ordovician, Kentucky : 
Foerste, 884. 
Greene formation, Carboniferous, Appa- 
lachian region : Stevenson, 2205. 
Greene formation, Carboniferous, Pennsyl- 
vania : Clapp, 475, 476. 
Greene formation, Carboniferous, Pennsyl- 
vania : Stone and Clapp. 2 : '. 1 4 . 
Greene formation, Carboniferous, Pennsyl- 
vania, Ohio, and West Virginia : Gris- 
wold and Munn, 1048. 
Greene formation, Carboniferous (Penn- 
sylvanian), Pennsylvania: Clapp, 477. 
Greenhorn formation, Cretaceous, Wyom- 
ing: Darton and OTIarra, 656. 
Greenhorn limestone, Cretaceous, Colo- 
rado: Darton, (MS; Fisher, 869. 
Greenhorn limestone, Cretaceous, Nebraska ; 
Condra, 570. 
Green River, Tertiary, Wyoming: Veatch, 
2439. 
Green River formation, Tertiary, Wyoming: 
Schultz, 2151 ; Veatch, 24:'»7. 
Greer formation, Permian, Texas: Gould, 
•.»m;. os7. 
Grenvllle series. pre-Cambrian : Adams ct 
a I., 13. 
Grenville series, pre-Cambrian, New York: 
Berkey, 207 ; Cushing, 614. 
Grenville series, pre-Cambrian, Ontario: 
Miller and Knight, 1759. 
Greyson formation, Algonkian, Montana : 
Barrell, 140. - 
Greyson shales. Algonkian, Montana : 
Rowe, 2090. 
Crimes sandstone, Devonian, New York : 
Luther, 1634, 
Guadaloupan series, Carboniferous, New 
Mexico : Keyes, 1377. 
Gulf series, Cretaceous, Arkansas : Veatch, 
2436. 
Gunflint formation, Algonkian, Minnesota : 
Abbott, 1. 
Gunstock dike, New Hampshire : Pirsson 
and Washington, 1034. 
Gunstock gneiss, New Hampshire : Pirsson 
and Washington, 1934. 
Guye formation, Tertiary, Washington : 
Smith and Calkins, 2240. 
Ilackberry shales, Devonian, Iowa: Wil- 
liams, 2588. 
Ilackberry shales, Permian, Kansas : Woos- 
ter, 2636. 
Iladdam granite-gneiss, Connecticut: Greg- 
ory, 1034 ; Gregory and Robinson, 1038. 
Hale formation, Pennsylvanian, Arkansas: 
Purdue, 1071. 
Hamburg beds. Cretaceous, South Carolina: 
Sloan, 2217. 
Hamburg clays, Cretaceous, South Caro- 
lina : Sloan, 2218. 
Hamburg slate, pre-Cambrian, Wisconsin : 
Weidman, 2512. 
Hamilton formation, Devonian, Pennsyl- 
vania : Butts, 367. 
Hamilton member, Devonian, Maryland: 
Clark and Mathews, 488. 
Hamilton shales, Devonian, New York : 
Grabau, 001. 
Hamilton shale formation, Devonian, New 
York : Williams, 2583. 
Hamilton shale, Devonian, West Virginia : 
Grimsley, 1044. 
Hampshire formation, Devonian, Maryland : 
Clark and Mathews, 488. 
Hampshire formation, Devonian, West Vir- 
ginia : Grimsley, 1044. 
Hampton clays, Pleistocene, South Caro- 
lina : Sloan, 2218. 
Hampton shale, Cambrian, Tennessee: 
Keith, 1354. 
Hance formation, Carboniferous, Kentucky: 
Ashley and Glenn, 77. 
Hannibal formation. Mississippian, Mis- 
souri : Shepard, 2104. 
Harding sandstone, Ordovician, Colorado: 
Darton, 648. 
Harper beds, Permian, Kansas: Wooster, 
2636. 
Harpers formation, Cambrian, Maryland : 
Clark and Mathews, 488. 
Harpers formation, Cambrian, Pennsyl- 
vania : Stose, 2318. 
Harpers shale, Cambrian, West Virginia: 
Grimsley, 1044. 
Harrison beds, Tertiary, Wyoming and No 
braska : Peterson, 1016. 
Harrison diorite, Cambrian, New York: 
Berkey, 207. 
Harrodsburgh limestone. Mississippian, In 
diana: Blatchley, I'll!; Reagan. 1998. 
