Name/Title
S02.03.034Description
Douglas L. Kohout using a petrographic microscope. A petrographic microscope is used to examine opaque substances such as pyrite, magnetite and most coal particles using reflected light or used to identify minerals using transmitted light. Douglas worked in the Regional Geology Section of the Ohio Geological Survey. This picture was taken in the geochemistry laboratory at the Grandview Avenue Offices. The image was taken in 1971.
The Ohio Department of Natural Resources, Division of Geological Survey's main office was located at 1207 Grandview Avenue, Grandview Heights, Ohio 43212 from 1962 through May 1973. The Geological Survey's offices were on part of the first floor and all of the second floor of the building. The Grandview office had x-ray, petrography, and geochemistry laboratories on the first floor. More informally, rooms with coal polishing equipment, microscopes, and other types of equipment were located in various spaces at the Grandview office.
This slide image included in the USGS National Digital Catalog for NGGDPP Grant G15AP00115 in FY2015.Context
Closeup of man sitting at desk looking into microscope. Taken at office in Grandview Heights, Ohio.