Dewees, John H. <br/><br/>
Report of progress in the Juniata district on the fossil iron ore beds of middle Pennsylvania, 
by John H. Dewees, with a report of the Aughwick Valley and East Broad Top district, by C. A. Ashburner. 
 - Harrisburg,  Published by the Board of Commissioners for the Second Geological Survey,  1878. 
 - Fxlix, F305 p.  front., illus., plates (Part fold.) charts (part fold.) diagrs.  23 cm. 
 - Pennsylvania. Geological survey, [2d. Report of progress  F] .
 - Report of progress (Geological Survey of Pennsylvania),  F. .
<br/><br/> At head of title: Geological survey of Pennsylvania, 1874-75.  Charts and diagrams partly in pockets. 
<br/><br/>Appendices: A. Section of the Palœozoic rocks in Blair county, by F. Platt and R.H. Sanders.--B. A measured section of the Palæozic rocks between Lock Haven and Farrandsville, by H.M. Chance.--C. Catalog of specimens collected by Mr. Ashburner.--D. Railway and other levels above tide mentioned in this report. 
<br/><br/><label>LCCN: </label>gs 07000714  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geology--Pennsylvania.
<br/><br/><label>LC Class. No.: </label>QE157  / .A16 vol. F