The Online Books Page

Books by H. C. Porter:

Books in the extended shelves:

• Porter, H. C. (Henry Cyrus), 1886-: The primary volatile products of the carbonization of coal : [a ssquel to Bulletin 1 : The volatile matter of coal ] (U.S. Dept. of the Interior, Bureau of Mines, 1916), also by G. B. Taylor (page images at HathiTrust)
• Porter, H. C. (Henry Cyrus), 1886-: Roadway and runway soil mechanics data ... (Texas Highway Dept., 1942), also by Texas. Highway Department (page images at HathiTrust)
• Porter, H. C. (Henry Cyrus), 1886-: Soil survey, Russell County, Virginia (United States Dept. of Agriculture, Bureau of Plant Industry, Soils, and Agricultural Engineering, 1945), also by Samuel Shockley Obenshain, William Walker Lewis, Tennessee Valley Authority, and Virginia Agricultural Experiment Station (page images at HathiTrust)

Find more by H. C. Porter at your library, or elsewhere.