[i 9 oi.] 



158 



Africa (North). 

 Egypt (Upper). Nile Valley. Far- 

 "shut to Koom Ombo. 1901. 

 — Schweinfurthj G. 

 Africa (South). 

 Natal Coalfields. 1 inch = 5 miles. 



1900.— Heslop, W. T. 

 Transvaal. Witwatersrand. 1 inch 

 — 25 miles. 1901. — Penning, W. 

 H. 



America (Central). 



Panama. 1 inch = 35 miles. 1901. 



— Hershev. O. H. 

 West Indies. Haiti. ^ & 

 1901— Tippenhauer, L. G. 

 America (North). 



Alaska (various). 1900. — Brooks, A. 

 H. 



■ . Cape Nome. 1 inch = If 



miles. 1900.— Schrader, P. C. 



. Sushitna P. 1 inch = 10 



miles. 1900.— Eldridge, G. 



(S.W.) (various). — Spurr, J. E. 



Niagara River. 1 inch = 1 mile. 

 1901— Grabau, A. W., &c. 



Canada. Geological Survey. 



664. Manitoba, Saskatchewan, and 

 Keewatin (Lake Winnipeg). 

 1 inch =8 miles— Tyrrell, J. B.. 

 &c. 



665. Province of Quebec (Three 

 Rivers sheet). 1 inch =4 miles. 

 1901.— Ells, R. W. 



676. British Columbia and Alberta. 

 1 inch = 8 miles. 1901. Mc- 

 Evo} T , J. 



. Baffin Land. 1 inch = 25 



miles. 1901.— Bell, R., &c. 

 . Montreal. Shefford Mt. f inch 



— 1 mile. 1901.— Dresser, J. A. 

 ■ . Ontario. Michipicoten R. 



Huronian. 1900.— Willmott, A. B. 

 ■ (N.W.). Klondvke Goldfields. 



1 inch = 4 miles. 1900.— Meikle- 



john, J. 



■ ( — ). Yukon Territory. 1 inch 



= 30 miles. 1898. — Trimmer, P. 

 M. 



Mexico. Rhvolite - occurrence. 



_L_. 1900.— Ordonez, E. 

 United States. Geological Survey. 

 Geologic Atlas. — Wal- 



cott, C. D. (Director), &c. 

 Folio 59. Bristol (Va.). 1899. 

 „ 60. La Plata (Colo.). 1899. 

 ., 61. Monterey (Va.). 1899. 

 „ 62. Menominee (Mich.). -~ ) . 

 1900. 



., 63. ' Mother Lode ' District 

 (Cal.). 1900. 



., 64. Uvalde (Tex.). 19G0. 



„ 65. Tintic Mts. (Utah). y -^. 

 1900. 



., 66. Colfax (Cal.). 1900. 



„ 67. Danville (111.). ^ 1900. 



„ 68. Walsenburg (Colo.). 1900. 



America (North). 



United States. Geological Survey. 

 Geologic Atlas. 

 Folio 69." Huntington (W. Va.). 

 1900. 



; , 70. Washington (D.C.). ^ 

 1900. 



., 71. Spanish Peaks (Colo.). 

 1901. 



■ . ■ . Mineral Districts Sur- 



vevs, 1879-1900. 1 inch =115 

 miles. 1900.— Walcott, C. D. 



. Arkansas (various). 1901. — 



Branner, J. C. 



. -. Magnet Cove. If inches 



=1 kilom. 1900.— Washington. H. 

 S. 



. California. Monterey Co. 



| inch = 20 miles. 1901— Nutter, 

 E. H. 



. (Central & South). Oil- 

 fields. 1 inch = 80 miles. 1901. — 

 Lakes, A. 



. Colorado. Cripple-Creek Dis- 

 trict. 1 inch = 2 miles. 1901.— 

 Lakes, A. 



— . . Oilfields. 1 inch = 69 



miles. 1901.— Lakes, A. 



. Dakota. Black Hills. 1 inch 



= 12 miles. 1899.— Ward, L. F., 

 &c. 



. Georgia. Bauxite - Deposits. 



1 inch = 7i miles. 1901. — Watson, 

 T. L. 



. Idaho (varions). 1900. — Lind- 



gren, W. 



. Indian Terr. Lehigh. 1 inch 



= 1 mile. 1899.— Taff, J. A. 

 . . McAlester. 1 inch = 



2 miles. 1899.— Taff, J. A. 



■ . Indiana. Esker Lakes. 1901. 



—Dryer, C. R. 



. . Trenton Rock Oil-Dis- 

 trict. 1 inch = 2 miles. 1901 — 

 Blatchley, W. S. 



. . Silver Creek. 1 inch 



= 2 miles. 1901.— Blatchlev, W 

 S. 



. . Worth Co. 1 inch = 



2 miles. 1900.— Williams, I. A. 

 . Iowa. 1 inch = about 32 



miles. 1900.— Calvin. S. 

 . . Cedar Co. (drift & 



solid). 1 inch = 2 miles. 1901.— 



Norton, W H. 

 ■ . . Clay & O'Brien Cos. 



1 inch = 2 miles. 1901.— Mac- 

 bride, T. H. 



. . Dickinson Co. 1 inch 



= 2 miles. 1900.— Macbride, T. H. 



. . Drift-areas. 1 inch = 



18 miles. 1901.— Calvin, S. 



. . Dubuque Co. 1 inch = 



2 miles. 1900.— Calvin, S., &c. 

 . . Louisa Co. (drift & 



solid). 1 inch = 2 miles. 1901.— 

 Udden, J. A. 



