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Start Over Creator Risser, Michele. Bounding Box -180 -89.81531 180 89.456192

1. Sand and gravel resources of Ashtabula County, Ohio

Maps The Ohio State University Public content
1985. Risser, Michele. Includes bibliography. by Michele L. Risser ; cartographic drafting by Robert L. Stewart. Includes tables, water-well logs and location map.

2. Surficial materials of Medina County, Ohio

Maps The Ohio State University Public content
1987. Risser, Michele. Relief shown by contour lines and spot heights. Includes references. Scale 1:63,360 Includes text, 2 tables, and location map. by Michele L. Risser... Ohio. Division of Geological Survey.