470 PROCEEDINGS OF THE ALBANY MEETING 



(118.) Down Gens de Larg River valley, showing north side from camp 28, 



at month of Portage creek, 193 miles above mouth of river ; looking 



north 75 degrees west. 

 (119). View down Gensde Larg River valley, south side from camp 28, at the 



mouth of Portage creek, 193 miles above mouth of river ; looking 



south 65 degrees east. 

 (174). Mountains of limestone and mica-schist, down north side of Robert 



creek ; from Horace peak, 6,000 feet, on headwaters of Koyukuk 



river, 652 miles above its mouth ; looking north 25 degrees west. 

 Mountains of limestone and mi(!a-schist, down north side of Rober, 



creek ; from Horace peak, 6,000 feet, on headwaters of Koyukuk 



river, 652 miles above its mouth ; looking south 65 degrees west. 

 Mountainous region, on headwaters of Koyukuk river. 

 (220). Beginning of clay and gravel bluffs in Middle fork, Koyukuk river, 



above mouth of Baker creek, one-eighth of mile above camp 36, 606 



miles above mouth of Koyukuk river; looking north 59 degrees 



west. 

 (196). Limestone ridge and gully; weathering. On north side of Bettles 



river, 1 .] miles below camp 33, 628 miles above tlie mouth of Koyukuk 



river. 

 (213). Mountains of limestone and mica-schist on east side of Diedrick river, 



from station 19, on Fault mountain, 5,400 feet; looking south 85 



degrees east. Faulting of limestone in right. 

 (242). Canyons in young rock series, 1 mile below Tramway bar; looking 



north 30 degrees west. 

 (229). Sluicing the gold placers by Elsingson party on claim 11, Myrtle creek ; 



looking north 20 degrees east. 

 (224). Gold-bearing schist, showing cleavage and attitudes of rock in bed of 



Myrtle creek ; looking north 60 degrees east. 

 Young rock series of sandstone and conglomerate with some lignite, 



8 miles above camp 38; looking north 65 degrees west. 

 (377). Elephant mountain; from 3 miles above mouth of Koyukuk river; 



looking south 49 degrees west. 

 (353). View down Koyukuk river, showing low plateau topography, ripple- 

 marks, and native village in distance; 135 miles above mouth of 



river. 

 (390). View down Yukon river, showing Nulato plateau, from l mile above 



edge of flats, on right bank of Yukon, between Koyukuk station 



and Pickart's coal mine; looking south 45 degrees west. 

 (370). Up Koyukuk river, showing flats with rock plateau and mountains in 



rear; 26 miles above mouth of river; looking north 65 degrees west. 

 (280). Bergman and edge of young rock series plateau. Camp 47, opposite 



Bergman; looking north-northwest across Koyukuk river. 



Five 62 X 8J photographs, by H. W. Turner 



(9). Monoclinal ridge capped by basalt at north end of Clayton valley, 

 Nevada. (1899. ) 

 (12). Lacustral marls of the Esmeralda formation at the east base of the 

 Silver Peak range south of the Emigrant road, Nevada. (1899.) 



