PRE ABORT Ae ETE RET eae REM AE Ca EE eS et en ee a 
SR Pas Ae re OE eee he 
SHUMARD—GEOL. OF STE. GENEVIEVE. 405 
_ QUATERNARY System. 
Alluvium. —This formation presents the usual characters 
of sand, clay, and humus, and good sections of it may be seen 
on the banks of most of the streams. one best section seen in 
the county is on the Saline, T. 36, R. 9, S.W. qr. of S. 1, where 
we find, Ist. Soil slg: a great deal of] humus, 5 feet; 2d. yal 
w arenaceous clay, 30 feet; plastic blue clay, 15 feet.. Ni 
this pe Mr, BI ‘atte of St. Mary’s obtained ina well, 18 
feet below the surface, a fine molar tooth of a Mastodon, The 
ecimen was presented by Mr. Pratte to the Academy of 
Se and is now DrOSON St in the Museum of 
ness of near 60 feet was ‘enutebed: 
Patxozorc ois 
Upper Cua. pia or Coal Measures.—The Coat Meas. 
ures: are but spanngly represented in Ste.Geneviéve.. The 
inferior beds eap the hills a halt ole ie aber 4 beth on the 
male fo coal a Se - about 8 fet fad we find here 
. “hoes with soil. tees -e we eeee seeds: ete sees ws It : 
cc a thee sae eeee oe 
tteeee se eeee freee 
