118 SPIEIT LEVELING. [bull. 185. 
Feet. 
Missoula, 5.5 miles north of; 600 feet west of Effenger's house, 300 feet 
east of bridge across Rattlesnake Canyon; iron post, marked "3648 
MSLA" 3,648.410 
BONNER TO POTOMAC VIA BLACKFOOT RIVER. 
Bonner, 3 miles east of; 10 feet west of the north end of county bridge 
over Blackfoot River; iron post, marked " 3288 MSLA'' 3, 288. 428 
Bonner, 6 miles northeast of; 10 feet from north end of old county bridge, 
20 feet south of road; iron post, marked "3350 MSLA" 3, 350. 263 
Twin Creeks; southeast corner of M. R. Stairs's house, 20 feet north of 
road; iron post, marked "3411 MSLA" 3,411.424 
Potomac, 4 miles west of; 15 feet north of road, at gate leading to J. 
Davis's ranch; iron post, marked "3519 MSLA". .... 3, 519. 423 
Potomac; .100 feet west of post-office; iron post, marked " 3619 MSLA". 3, 619. 418 
SCEPTER SPUR, UP ROCK CREEK VIA QUIGLEY AND RANCH CREEK. 
Gilbert Gulch, mouth of; fork of road running up to Johnson's saw- 
mill; iron post, marked "3646 MSLA" 3,645.424 
Quigley; corner of Emmons avenue and Third street; iron post, marked 
"3834 MSLA" 3,834.299 
Quigley, 3 miles south of; near mouth of Ranch Creek, northeast corner 
of Paul's house; iron post, marked ' ' 3960 MSLA" 3, 960. 332 
Ranch Creek, 2.5 miles southeast of mouth of; 50 feet west of crossing 
of Ranch Creek by wagon trail, south side of trail; iron post, marked 
"4189 MSLA" 4,188.999 
Quigley, 5 miles southwest of; 0.5 mile northeast of mouth of Wel- 
come Gulch, opposite small stream coming in from west, 15 feet 
south of trail, 75 feet southeast of Rock Creek; iron post, marked 
"3965 MSLA" 3,965.297 
Quigley, 8 miles southwest of; 2.5 miles southwest of Welcome Gulch, 
50 feet east of Rock Creek, 25 feet above water, west side of trail, in 
bowlder 4 by 3 feet and 2.5 feet high; aluminum tablet, marked " 4067 
MSLA" 4,066.789 
WYOMING. 
JOHNSON COUNTY. 
Fort McKinney Quadrangle. 
The elevations in the following list are based on a bronze tablet set 
in the center of the front of the city hall at Sheridan, and marked 
' ' SHER 3738. " The elevation of this, as published in previous report, 
is accepted as 3,736.560 feet above mean sea level. 
For additional elevations in this locality, see Appendixes to the Nine- 
teenth and Twenty-first Annual Reports of the United States Geolog- 
ical Survey. 
The leveling was done in 1899 under the general direction of Mr. 
Frank Tweedy, topographer, by Mr. E. W. Glafcke, levelman. 
All bench marks dependent upon this datum are stamped " SHER " 
in addition to the figures of elevation. 
