100 
INDEX. 
Pa^e 
Engineer Creek, gold on 39, 41 
Erosion, history of 12 
Esther Creek, gold on 44-46 
rocks on 44 
Euomphalus, occurrence of 23 
Eureka Creek, description of 82, 84 
gold of 83,84-85 
Evans, Thomas, fossils found by 78 
F. 
Fairbanks, access to and conditions at 30 
rainfall at 58-59 
Fairbanks Creek, flow of 54 
gold on 29, 38 
gravels on 34 
rocks on - 28 
Fairbanks quadrangle, geologic map of 74 
topographic map of Pocket. 
Fairbanks region, placers of 29-51 
water supply of 51-59 
Faith Creek, flow of 55-58 
gold on 30 
Favosites epidermatus, occurrence of 21 
limitaris, occurrence of 21 
winchelli, occurrence of 21 
Fenestella, occurrence of 23 
Fish Creek, flow of 54, 5G-58 
Fistulipora, occurrence of 23 
Florida Creek, gold on 79 
Fort Egbert, rainfall at 59 
Fort Gibbon, rainfall at 59 
Fortymile quadrangle, location of, map 
showing 10 
map of, publication of 9 
Fossil Creek, flow of 55 
Fossils, occurrence of 19-24 
Fox Creek, flow of , 54 
Fox Gulch, gold in 39,41 
Freighting, cost of 30,98 
Frozen gravel, character of 33-34, 65-6G 
G. 
Geography, data on 11-13 
Geology, account of." 15-28 
Gerdine, T. G., work of 7, 9 
Gilmore Creek, gold on 39-40 
rocks on and near 26, 40 
Girty, G. II., fossils determined by 23 
Glenn Creek, description of 87-88 
gold on 83, 88, 89 
rocks on 27 
Gold, discovery of 29 
distribution of 33 
production of 29 
source of 37, 63, 80, 94, 97 
value of 66,76-77,94 
Gold placers, description of 29-31, 37-47, 59-98 
formation of, history of 34-37 
types of 96-97 
Gold Run, gold of 89-90 
Goldstream Creek, flow of 54-58 
gold on 29.38-41 
Goldstream ditch, flow of 54 
Granitic rocks, character and distribution 
of 20-27, 30 
Page, 
Gravel, occurrence and character of .... 25, 
32-34,62,97 
Gunnison Creek, gold on 96 
Greenstones, character and distribution 
of 27-28, 30, 62 
Gypidula pseudogaleatus, occurrence of 21 
H. 
Hemiaster, occurrence of 24 
Hess, F. L., on Rampart placers 64-98 
work of 7, 8, 11 
Hess Creek, fossils from 23 
rocks near 27 
timber on 15 
High bench, creeks cutting 72 
creeks cutting, gold on 72-80 
description of 70-72 
gold in 71-72 
origin of 71 
Hill Creek, gold on 40 
rocks on 40 
Holy Cross Mission, rainfall at 59 
Homestake Creek, gold on 30 
Hoosier Creek, gold on 65, 79 
Hope Creek, flow of 55 
gold on 30 
Hunter, William, gold found by 73 
Hunter Creek, description of 72-73 
gold on 65, 72-75 
rocks on 28 
Hustedia compressa, occurrence of 23 
Hutlina Creek, gold on 93 
rocks near 26 
timber on 15 
water from 94 
Hydraulicking, use of 50, 66, 97-98 
water for 93-94 
I. 
Ice, beginning and ending of 13 
Idaho Bar, gold on 71-72 
Igneous rocks, character and distribution 
of 25-28 
Inoceramus labiatus, occurrence of 24 
K. 
Kenia formation, character and distribu- 
tion of 16, 24 
Ketchumstock, rainfall at 59 
Kindle, E. M., fossils determined by 21-22 
Knopf, Adolph, work of 7 
Kokomo Creek, flow of 55-58 
Koonce, M. E., on Minook Creek 67 
L. 
Lima, occurrence of '23 
Lithostrotion, occurrence of 23 
Little Chena River, flow of 54, 56-58 
Little Eldorado Creek, flow of 54 
Little Minook Creek, descript ion of 72, 75 
gold on 65, 75-77 
rocks on 75-71 i 
Little Minook, jr., Creek, description of. 72,77-78 
gold on C5, 78 
