21
09/15/2001
Indiana Dunes State Park, Gary, IN
N 41 37.300 W 087 12.600
Francis VanDervoort
Lake, Dune
Brown
Fine Grained
Well Sorted
Well Rounded
Quartz
Frosted
Photos
![](https://www.maryhemmerlyhecker.org/wp-content/uploads/021-Indiana-Dunes-State-Park-Gary-IN.jpg)
Mary Hemmerly Hecker Memorial Sand Collection
The Life and Times of Mary Hemmerly Hecker