108 THE AMERICAN MUSEUM JOURNAL 
top of this hill, going down into strata carrying seams and nodules of 
close-grained quartzite and similar rocks. Scattered about these pits. 
were the battered pebbles which had been used as hammers. Some of 
these had a groove pecked around them to facilitate the fastening of a 
handle. 
This quarry is remarkable for its extent, covering about five acres. 
It is also farther north than any prehistoric quarries of such stone pre— 
PETROGLYPH REPRESENTING A MAN 
Oil Creek. Of same type as one found in 1907 at Hammond, Wyo, and 
another found in 1908 in Big Horn Mts. 
viously known to exist in the state, and, taken with similar quarries. 
visited last year, it emphasizes the truly tremendous amount of quarry- 
ing which has been done in Wyoming. ‘The extent of this quarry work. 
seems the more marvelous when we know that the region where the bulk 
of the quarried material was used has not yet been found. ‘This is quite 
are ee 
+ 
ed et 
sas 
a 
i 
abt s 
hy 
<2 hs 
a oe 
Sts cme 
ee 
wy ic 
