Part I. Report of progress in 1869, by J. S. Newberry, chief geologist. Part II. Report of progress in the second district, by E. B. Andrews, assist. geologist. ... County, by Edward Orton, assist. geologistUnknown author · First published 2005Open the Tome
Letter of Prof. E.B. Andrews on the coal and iron deposits of the Upper Sunday Creek and Moxahala Valleys, in Perry County, OhioEbenezer Baldwin Andrews · First published 1873Open the Tome
Reports of Profs. E.B. Andrews and M.C. Read (of the Ohio geological corps), to J.B. CrosbyE. B. Andrews · First published 1873Open the Tome
