LISTS GEOLOGIC FORMATIONS. 
299 
Lagrange formation, Tertiary, Missouri: 
Shepard, 2194. 
Lagrange formation, Tertiary, Tennessee, 
Kentucky and Illinois : Glenn, 971. 
Lake Shore trap, Algonkian, Michigan: 
Gordon and Lane, 985. 
Lake Shore traps, Cambrian, Michigan : 
Lane and Seaman, 1518. 
Lake Superior sandstone, Cambrian, Michi- 
gan : Lane and Seaman, 1518. 
Lake Valley formation, Carboniferous, New 
Mexico: Keyes, 1377. 
Lake Valley limestone, Mississippian, New 
Mexico : Gordon, 981. 
Lakota sandstone. Cretaceous, Wyoming: 
Darton and O'Harra, <;5t>. 
La Motte sandstone. Cambrian, Missouri: 
Shepard, 2194. 
Lane shales. Carboniferous, Kansas: Beede 
and Rogers, 181; Wooster, 2636. 
Lantern Hill quartz rock, Connecticut: 
Gregory, 1034. 
La Plata formation, Jurassic, Colorado: 
Cross, (104. 
La Plata sandstone, Jurassic, Colorado: 
Cross et al„ 607. 
Laramie, Wyoming: Veatch, 2439. 
Laramie formation, Cretaceous, Colorado: 
Darton, 04: 8 ; Fenneman and Gale, 863. 
Laramie formation. Cretaceous, Colorado 
and New Mexico : Shaler, 2176. 
Laramie formation, Cretaceous, North Da- 
kota : Leonard, 1563. 
Laramie formation. Cretaceous, North Da- 
kota and Montana: Leonard, 1560. 
Laramie formation, Cretaceous, Wyoming: 
Darton, 042; Fisher, 873; Rowe, 2090; 
Veatch, 24:17. 
Laramie formation, Cretaceous and Ter- 
tiary. Wyoming: Veatch, 2440. 
Lauderdale chert, Mississippian, Alabama: 
Smith, 2229. 
Laurentian, pre-Cambrian : Adams et al., 
13. 
Lawrence beds, Carboniferous, Kansas: 
Wooster, 2636. 
Le Claire substage, Silurian, Iowa: Beyer 
and Williams, 234. 
Lecompton beds, Carboniferous, Kansas: 
Wooster, 2636. 
Lee conglomerate, Carboniferous, Virginia: 
Stone, 2311. 
Lee formation. Carboniferous, Kentucky: 
Ashley and Glenn, 77. 
Lenoir limestone, Ordovician, Virginia: 
Bassler, 158. 
Le Roy shales. Carboniferous, Kansas: 
Wooster. 2636. 
Lewis formation, Cretaceous, Wyoming: 
Veatch, 2440. 
Lewis shale. Cretaceous. Colorado: Fenne- 
man and Gale, 863. 
Lewis shale, Cretaceous, Colorado and New 
Mexico: Shaler. 2176. 
Lewiston limestone. Ordovician, Virginia : 
Bassler, 158. 
Lewiston limestone, Silurian, West Vir- 
ginia : Grimsley, 1044. 
Lewiston (" Helderberg"), Virginia : Eckel, 
765. 
Lexington, Ordovician, Kentucky : Miller, 
1748. 
Lime Creek shales, Devonian, Iowa : Beyer 
and Williams, 234; Calvin, 387; Wil- 
liams, 2588. 
Linietta clay, Mississippian, Kentucky : 
Foerste, 883. 
Linville metadiabase, Algonkian?, North 
Carolina : Keith, 1354. 
Lisbon beds, Tertiary. Mississippi : Crider, 
595 ; Crider and Johnson, 599. 
Lisbon formation, Eocene, Alabama : Smith, 
Lisburne series. Carboniferous, Alaska : 
Brooks, 313 : Collier, 552. 
Litchfield norite, Connecticut : Gregory, 
1034. 
Livingston formation, Cretaceous, Wyo- 
ming : Rowe, 2090. 
Llano Estacado formation, Pliocene, New 
Mexico : Keyes, 1388. 
Llano Estacado sands, Pliocene, New Mexi- 
co : Keyes, 1390. 
Lockport dolomite, Silurian, New York : 
Hartnagel, 1085. 
Lodore shales, Cambrian, Utah : Weeks, 
2506. 
Logan formation, Carboniferous. Ohio : 
Carney, 427. 
Logan sills, Ontario: Silver, 2212. 
Logana, Ordovician, Kentucky : Miller, 
1748. 
Lone Mountain limestone, Silurian, Ne- 
vada and California : Ball, 120. 
Longwood shale, Silurian, New York : 
Hartnagel, 1084. 
Lorraine sandstone. Ordovician, New 
York : Grabau, 991. 
Loudon formation. Cambrian, Maryland : 
Clark and Mathews, 488. 
Louisiana limestone. Mississippian, Illi- 
nois : Weller, 2523. 
Louisiana limestone, Mississippian, Mis- 
souri : Shepard. 2194. 
Loup Fork formation, Tertiary, Texas : 
Gould, 986. 
Lowerre quartzite, pre-Cambrian. New 
York: Berkey, 207. 
Lucas dolomite, Devonian, Michigan : 
Lane, 1516. 
Ludlowville shale, Devonian, New York : 
Luther. 1633. 
Lulbegrud clay. Silurian, Kentucky : 
Foerste, 883, 884. 
Lunenburg schist. pre-Cambrian, Vermont: 
Richardson, 2037. 
Lyme granite-gneiss, Connecticut: Gregory, 
l(t::i; Gregory and Robinson. 1038. 
McAlester group. Carboniferous, Arkansas: 
Collier, 556. 
McCloud limestone. Carboniferous, Cali- 
fornia : Diller, 721. 
