Name/Title
S17.05.034Description
Efflorescence of iron sulphate oxidizing out of a coal seam in the form of melanterite in Todd Mine near Lake Hope in Vinton County, Ohio. The image was made in 1971.
REVIEW
This slide image included in the USGS National Digital Catalog for NGGDPP Grant G15AP00115 in FY2015.Context
Bed of coal inside mine. Todd Mine near Lake Hope in Vinton County, Ohio.