Search Constraints

You searched for: Date Created 1909 Remove constraint Date Created: 1909 Publisher Indiana. Department of Geology and Natural Resources Remove constraint Publisher: Indiana. Department of Geology and Natural Resources Subject Topical Subject: Geology Remove constraint Subject: Topical Subject: Geology

Search Results

  • Table of recent analyses of Indiana coal
  • Stratigraphic chart : Indiana coal measures giving general view of relations of coals and rocks, by means of selected general and local sections