Explains and simulates the formation of sedimentary rock, focusing on the importance of limestone as a natural resource. Locates limestone quarries on the map and shows how the stone is quarried in blocks to be cut in desired shapes. Discusses the many aspects of limestone byproducts, including water purification, soap making, medicine preparation, and the manufacture of Portland cement, paint, paper, and steel.
Director, writer, and editor, Ledford C. Carter; camera, Vladimir Bektesh.
Narrator, Robert Stone.
Statement of Responsibility
by Albert W. Strickland III, Ledford C. Carter ; produced by Indiana University Audio-Visual Center.