1621
Collection of sand and gravel information for Blackford County, Indiana
Unpublished
Attribution-NonCommercial 4.0 International (CC BY-NC 4.0)
Courtesy Indiana Geological and Water Survey
Bedrock topography, Drift thickness map, Geologic map, Gravel, Sand, Site report
Data
6
17 March 2020
SG_Blackford.pdf
Blackford County
Marker lat / long: 40.470833, -85.865483 (WGS84)