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Roosevelt Wild Life Bulletin 



PAGE 



Figure 22. Creek entering inlet marsh, Big Moose Lake; view just below 

 junction of the north and south forks. Formerly a good trout 



stream 139 



Figure 23. View on Pine Brook, between Forked Lake and Long Lake, taken 

 just above a beaver dam which had been torn out. Formerly 



a good trout stream 140 



Figure 24. Beaver ponds on small tributary of Boulder Brook. Stream 



normally about two feet wide. No timber to damage here. 140 

 Figure 25. Beaver dam and pond on upper courses of Pine Brook, Cold 

 River region; limit of a burned area. A good example of a 



beaver flow as a natural fire barrier 143 



Figure 26. Part of meadow formed on site of old beaver pond; Grampus 



Lake stream, Long Lake region 143 



Figure 27. Big Chief Pond, Big Moose Lake region. Part of south shore; 

 beaver-damaged timber removed. An example of injury on 



a private estate 1 44 



Figure 28. Beaver dam on Big Brook, Long Lake region; 172 feet long, 3 feet, 

 9 inches high. No timber to damage here. Beaver flows are 



frequently helpful to man for transportation purposes 144 



Figure 29. Beavers' " tote road," cut through river bank; near Cold River. . 147 

 Figure 30. White birch with double cut having spiral turn. Tree on edge 

 of little knoll; 3 feet, 7 inches in circumference above upper cut. 



Big Brook, Long Lake district 147 



Figure 31. Hemlock one foot in diameter, partly severed by beaver; Loon 



Lake, Beaver River district 148 



Figure 32. Small dam containing many stones; outlet of Trout Pond, 



Beaver River district "... 1 48 



Figure 33. The large dam on McCanns Brook, Blue Mountain Lake district; 



1 1 feet, 1 inch high at the creek's channel 15 1 



Figure 34. Part of one of the wings of the high dam shown in figure 33 151 



Figure 35. Huge beaver lodge on Cold River; longest diameter, 35 feet; 



shortest, 28 feet; height, 7 feet 152 



Figure 36. Inhabited lodge, Sargents Pond (easternmost) 15 2 



Figure 37. The series of ponds beside Cooke City road near Camp Roosevelt, 

 Yellowstone National Park. Taken from slope of Junction 

 Butte above Yellowstone River bridge, showing location of 

 ponds, large aspen grove on hillside, and the grove destroyed 



along the stream 189 



Figure 38. Pond No. 2 beside Cooke City road, showing log-piles protecting 

 the entrances to burrows. These log-piles may in time 



become lodges 189 



Figure 39. The lower beaver trail leading across Cooke City road from the 

 pond to the aspen grove above. Taken from north hillside 



above the pond 190 



Figure 40. North Fork of Elk Creek, near Yanceys. The long dam photo- 

 graphed from hillside above the easterly end 190 



Figure 41. Freshly cut aspen logs, near pond on bench above Yanceys, 

 August 10, 192 1. These trees are about 6 to 10 inches in 



' diameter 193 



Figure 42. The large pond at Crescent Hill; view from the upper end, 



showing beaver lodge and fringe of dead aspen 193 



Figure 43. The long dam adjacent to Tower Creek; 275 feet long. In dense 



Engelmann spruce timber, now killed by flooding 194 



Figure 44. Beaver trail on hillside above large pond. From the end of the 



long dam adjacent to Tower Creek (figure 43) 194 



Figure 45. Pond on Lost Creek with three lodges; also showing steep hillside 

 with aspen stumps; denuded to the edge of the lodgepole pine 



forest, 175 feet from the pond 197 



Figure 46. Pond No. 14 on Lost Creek, showing gravel washed in. Illus- 

 trating how an abandoned pond may become filled with silt 

 and debris 197 



