00727cam a22002291 4500 gs 59000190 DLC 20260227111408.0 790607s1958 inu b s000 0 eng gs 59000190 (OCoLC)5044674 DLC TxCM DLC QE109 .A3 no. 12 Murray, Haydn H. (Haydn Herbert), 1924- Lightweight aggregate potentialities of some Indiana shales, by Haydn H. Murray and John M. Smith. Bloomington, 1958. 42 p. Indiana. Geological Survey. Report of progress no. 12 Bibliography: p. 40-42. Shale Indiana. Smith, John M., joint author. 29354 29354