TY - BOOK AU - Bownocker,J.A. ED - Geological Survey of Ohio. TI - Building stones of Ohio T2 - Bulletin AV - QE151 .A18 no. 18 PY - 1915/// CY - Columbus PB - Geological Survey of Ohio KW - Building stones KW - Ohio N1 - At head of title: Fourth series; Includes bibliographical references and index ER -