224 BIBLIOGRAPHY OF NORTH AMERICAN GEOLOGY, 1906-1907. 
Colorado— Continued. 
Underground water. 
Arkansas Valley : Darton, 648. 
Mineral and hot springs : Lakes, 1465. 
South Platte Valley, underflow : Slich- 
ter and Wolff, 2216. 
Concretions. 
Iron concretions from Redbank sands 
of New Jersey : Willcox, 2581. 
New forms : Nichols, 1802. 
Quartz nodule with radiate structure: 
Davison, 685. 
Cone in cone: Broadhead, 305. 
Congresses. Sec Associations. 
Connecticut. 
General. 
Bibliography of geology of: Gregory, 
1037. 
Commissioners' second biennial report : 
573. 
Geography, geological structure and 
history: Rice, 2030. 
Manual of geology of : Rice and Greg 
ory, 2034. 
Economic. 
Salisbury district, iron ores : Hobbs, 
1185. 
Physiographic. 
Brewsters Neck: Gulliver, 1058. 
Stratigraphic. 
Brewsters Neck, a glacial deposit : 
Gulliver, 1055. 
Clacial geology : Gregory, 1035. 
Glacial terraces : Gulliver. 1056. 
Map, geological: Gregory, 1036; Greg- 
ory and Robinson, 1038. 
Triassic: Rice, 2031. 
Paleontology. 
Triassic fauna : Rice, 2031. 
Petrology. 
Cortlandt series : Hobbs, 1178. 
Mineralogy. 
Purpurite : Schaller, 2136. 
Underground water. 
Water in crystalline rocks: Ellis, 780. 
Water supply : Gregory, 1033. 
Contact phenomena: Calderon, 383. 
Copper. 
General: Kemp, 1367; Lewis, 1584; 
Weed, 2502. 
Genesis : Fernekes, 865. 
Handbook : Stevens, 2290. 
Alabama : Smith, 2227. 
Alaska : Brooks, 311 ; Weed, 2499. 
Matanuska and Talkeetna basins : 
Paige and Knopf, 1861, 1862. 
Prince William Sound: Grant, 1020. 
southeastern : Wright. 2041 ; Wright 
and Wright, 2654. 
Arizona : Weed, 2499 ; Woodbridge, 
2622. 
Bisbee t Brinsmade, 299. 
Cherry Creek district: Reid, 2010. 
Cochise district : Kellogg, 1358. 
Colorado River region : Hately, 1094. 
Globe district : Graichen, 1009, 
Copper— Continued. 
British Columbia, Boundary district : 
Keffer, 1348-1350; Rickard, 
2047 ; Stokes, 2302. 
Eschelon Mountain : Evans, 822. 
New Westminster and Texada is- 
lands : LeRoy, 1565. 
Rossland district : Brock, 306, 307 ; 
Stokes, 2307. 
Similkameen district: Camsell, 413. 
Telkwa district : Leach, 1533. 
Texada Island, Marble Bay: LeRoy, 
1565, 1566. 
Vancouver Island : Brewer, 292. 
California : Aubury, 85 : Weed, 2499. 
Colorado River region: Hately, 1094. 
Copperopolis : Reid, 2018 ; Turner, 
2399. 
Eldorado County : Knight, 1412. 
Greenwater district : Boyle, 279 ; 
Nicholas, 1801; Zalinski, 2661. 
Shasta County : Campbell, 392 ; 
Forstner, 889. 
Sierra Nevada, western : Knopf, 
1415; Lang, 1519. 
Siskiyou County : Purington. 1977. 
Canada (general) : Ingall, 1207 ; Weed, 
2502. 
Colorado : Snedaker, 2250 ; Weed, 2499. 
Montrose County, Cashin mine : Em- 
mons, 805. 
Cuba : Lawrence, 1525. 
Georgia : Weed, 2499. 
Idaho: Weed, 2499. 
Lost Packer lode : Jennings, 1297. 
northern : MacDonald. 1658. 
Priest Lake district : Courtis, 585. 
St. Joe River basin : Collier, 553. 
Seven Devils and Snake River dis- 
tricts : Reid, 2006. 
White Knob : Kemp and Gunther, 
1372. 
Mexico : Weed. 2502. 
Asientos : Newman, 1797. 
Cananea : Brinsmade, 301. 
Nacozari, Los Pilares mine : Em- 
mons, 796. 
Sonora : Merrill, 1730. 
Copete district : Merrill, 1722. 
Sahuaripa district : Nelson, 1789. 
Santa Cruz : Merrill, 1729. 
Zacatecas, Aranzazfi : Villarello, 
2450. 
Michigan : Corey, 577 ; Giroux, 905 ; 
Weed, 2499. 
Lake Superior region : Lane, 1509, 
1510, 1512 ; Stevens, 2291. 
Montana : Weed, 2499. 
Belt formation : Collen, 550. 
Philipsburg quadrangle : Emmons, 
806. 
Nevada : 2499. 
Ely : Bullock, 348 ; Ingalls, 1273 ; 
Ralph, 1978. 
Giroux mines : Giroux, 501. 
Pioche : Abbott, 3. 
Robinson district : Lawson, 1526. 
