The Online Books Page

Books by L. J. Markwardt:

Books in the extended shelves:

• Markwardt, L. J.: A.S.T.M. structural timber grading standard now approved by A.S.A. as American standard (United States Dept. of Agriculture, Forest Service, Forest Products Laboratory, 1940), also by University of Wisconsin and Forest Products Laboratory (U.S.) (page images at HathiTrust)
• Markwardt, L. J.: Comparative strength properties of woods for crossties (United States Dept. of Agriculture, Forest Service, Forest Products Laboratory, 1931), also by University of Wisconsin and Forest Products Laboratory (U.S.) (page images at HathiTrust)
• Markwardt, L. J.: Proper nailing of car bracing (U.S. Dept. of Agriculture, Forest Service, Forest Products Laboratory, 1936), also by J. M. Gahagan, University of Wisconsin, and Forest Products Laboratory (U.S.) (page images at HathiTrust)

Find more by L. J. Markwardt at your library, or elsewhere.