234 BIBLIOGRAPHY OF NORTH AMERICAN GEOLOGY, 1906-1907. 
Geologic maps — Continued. 
Montana : Calhoun, 384 ; Darton, 644. 
Bighorn Mountains region : Darton, 
647. 
Nebraska, Cass County : Woodruff, 
2628. 
Republican River Valley : Condra, 
570. 
Nevada, Goldfleld district : Hastings 
and Berkey, 1091. 
Goldfield and Bullfrog districts : 
Ransome, 1984. 
Pioche and vicinity : Pack, 1854. 
Silver Peak quadrangle : Spurr, 2271. 
southwestern : Ball, 120. 
New Brunswick : Bailey, 98. 
New Jersey, Newark system : Lewis, 
1580. 
New Mexico, Rio Grande Valley : Lee, 
1545. 
Roswell area : Fisher, 870. 
New York : Fairchild, 843. 
Buffalo quadrangle : Luther, 1633. 
Long Island : Veatch, 2434. 
Long Lake quadrangle : Cushing, 616. 
Penn Yan - Hammondsport quad- 
rangles : Luther, 1634. 
Rochester and Ontario Beach quad- 
rangles : Hartnagel, 1085. 
Schoharie Valley : Grabau, 991. 
North America : Hobson, 1194 ; Willis, 
2591, 2594. 
North Carolina, Nantahala quadrangle : 
Keith, 1352. 
Pisgah quadrangle : Keith, 1353. 
Roan Mountain quadrangle : Keith, 
1354. 
North Dakota : Leonard, 1563. 
Ohio, Licking County : Carney, 427. 
Steubenville quadrangle : Griswold 
and Munn, 1048. 
Ontario, Animikie region : Silver, 2212. 
Essex and Kent counties : Nattress, 
1785. 
Larder Lake district : Brock, 308. 
Pembroke sheet : Ells, 788. 
Sudbury field : Coleman, 539. 
Pennsylvania, Amity quadrangle : 
Clapp, 475. 
bituminous coal fields : Halberstadt, 
1063. 
Burgettstown and Claysville quad- 
rangles : Griswold and Munn, 
1048. 
Kittanning and Rural Valley quad- 
rangles : Butts, 368. 
Rogersville quadrangle : Clapp, 476. 
South Mountain : Stose, 2318. 
Quebec, Mount Yamaska : Young, 2660. 
Pembroke sheet : Ells, 788. 
Rhode Island : Emerson and Perry, 
790. 
South Carolina : Sloan, 2218. 
Pisgah quadrangle : Keith, 1353. 
Tennessee, Nantahala quadrangle : 
Keith, 1352. 
Roan Mountain quadrangle : Keith, 
1354. 
Geologic maps— Continued. 
Texas, Franklin Mountains : Richard- 
son, 2042. 
Panhandle : Gould, 987. 
Utah, Park City district: Boutwell, 
271. 
Uinta Range: Weeks, 2206. 
Vermont, St. Albans : Edson, 774. 
Washington, Olympic Peninsula : Ar- 
nold, 56. 
Snoqualmie quadrangle : Smith and 
Calkins, 2240. 
West Virginia, Brook, Ohio, and Han- 
cock counties: Grimsley, 1046. 
Steubenville quadrangle : Griswold 
and Munn, 1048. 
Wisconsin, Lancaster and Mineral 
Point quadrangles : Grant and 
Burchard, 1021. 
Milwaukee quadrangle : Alden, 23. 
north central : Weidman, 2512. 
zinc and lead region : Bain, 99 ; 
Grant, 1017. 
Wyoming, Bald Mountain and Dayton 
quadrangles : Darton, 645. 
Bighorn basin : Fisher, 873. 
Bighorn Mountains : Darton. 644, 
647. 
Cloud Peak and Fort McKinney 
quadrangles : Darton, 646. 
Devils Tower quadrangle : Darton 
and O'Harra, 656. 
Owl Creek Mountains : Darton, 642. 
Yukon, Klondike district : McConnell, 
1653, 1054. 
Geologic time. 
Measurement of : Berkey, 208. 
Geomorphogeny. See Physiographic. 
Geomorphology. See Physiographic. 
Georgia. 
General. 
Geologic notes : Middleton, 1746. 
Economic. 
Bauxite industry : Judd, 1330. 
Copper mining in 1905 : Weed, 2499. 
Dahlonega gold deposits : Lindgren, 
1596. 
Glass-sand deposits : Burchard, 355. 
Kaolins and fire clays : Veatcb, 2443. 
Marble : McCallie, 1643. 
Mineral paint ore : Burchard, 356. 
Ocher deposits : Watson, 2483. 
Slate : Dale and Eckel, 625. 
Dynamic and structural. 
Stretched pebbles : McCallie, 1641, 
1642. 
Physiographic. 
Tallulah district, drainage modifica 
cations: Johnson, 1303, 1307. 
Stratigraphic. 
Altamaha grit region : Harper, 1077 
Paleontology. 
Pentremite : Schuchert, 2146. 
Petrology. 
Basic magnesian rocks : King, 1401. 
