140 CEMENT MATERIALS AND INDUSTRY. [bull. 2431 
LIMESTONES OF THE PENNSYLVANIA SERIES (COAL MEASURES). 
Limestone beds occur in the Coal Measures of Indiana, but details 
regarding their distribution and composition are lacking-. On pages 
134-135 will be found a discussion of the Coal Measures limestones 
occurring in adjacent portions of Illinois. 
FRESH-WATER MARLS OF QUATERNARY AGE. 
A very detailed report on "The lakes of northern Indiana and theil| 
associated marl deposits," by W. S. Blatchley and Gr. H. Ashle}| 
appeared on pages 31-321 of the Twenty-fifth Annual Report Indian 
Department Geology and Natural Resources. In this report all th 
known marl deposits in the State are separately described and detailed 
maps of the deposits are given. The following data are abstracts 
from this report: 
:: 
DISTRIBUTION. 
Marl deposits of sufficient size to justify the erection of Portlanq 
cement plants occur in Indiana only in the three northern tiers 
counties. The largest of these deposits, so far as area is concerne 
is in Lake Wawasee, which contains about 1,700 acres, while t 
thickest deposit (15 feet) is reported from Turkey Lake, Lagran 
County. 
A deposit of marl covering 160 acres and 10 feet thick will suppl 
for thirty years a cement plant producing 500 barrels a day. Thirt 
three deposits of this size or greater are described in the report. T 
names and locations of the lakes containing these workable deposits a 
as follows: 
Marl deposits in Indiana. 
1. Hog Lake, Steuben County, 2 miles west of the village of Jamestown, Jam 
town Township. 
2. Lime Lake, Steuben County, 1 mile northwest of Orland (Mill Grove Tow 
ship). 
3. Clear Lake, Steuben County, in sees. 19 and 20, T. 38 N., R. 15 E. (Clear La 
Township). 
4. Shallow and Deep lakes, Steuben County, sees., 6 and 7, T. 37 N., R. 12 
(Jackson Township). 
5. James Lake, Steuben County, 3 miles northwest of Angola. 
6. ( iage Lake, Steuben County, sec. 35, T. 38 N., R. 12 E. 
7. Silver Lake, Steuben County, 4 miles west of Angola. 
8. Shipshewana Lake, Lagrange County, three-fourths of a mile west of Ship 
shewanal 
9. Cedar and Grass lakes, Lagrange County, 3 miles northeast of Lima. 
10. Fish Lake, Lagrange County, 8 miles southeast of Lagrange. 
1 1. Turkey Lake, Lagrange County, near Stroh. 
12. Waldron Lake, Noble County, 2 miles west of Rome City. 
13. Eagle Lake, Noble County, sec. 6, T. 34 N., R. 9 E. 
1.. 
