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THE POPULAR SCIENCE MONTHLY.
Fig. 3.
General section of the drift from toledo, ohio to shelby county, ohio
![](http://upload.wikimedia.org/wikipedia/commons/thumb/d/d1/PSM_V03_D218_Drift_from_toledo_ohio.jpg/500px-PSM_V03_D218_Drift_from_toledo_ohio.jpg)
a. | No. 2. (clay subsoil). |
b. | No. 2. (gravel and sand subsoil). |
c. | Glacial stratification within the hard pan. |
d. | Hard pan, glacier drift, holding striated bowlders—(No. 3.) |
e. | Gravel, sand, and bowlders, holding water.—(No. 4.) |