The Online Books Page

Books by Harold E. Grelen:

Books in the extended shelves:

• Grelen, Harold E.: Common herbaceous plants of southern forest range (U.S. Dept. of Agriculture, Forest Service, Southern Forest Experiment Station, 1984), also by Ralph H. Hughes and La.) Southern Forest Experiment Station (New Orleans (page images at HathiTrust)
• Grelen, Harold E.: Common plants of longleaf pine-bluestem range (Southern Forest Experiment Station, Forest Service, U.S. Dept. of Agriculture, 1966), also by V. L. Duvall and La.) Southern Forest Experiment Station (New Orleans (page images at HathiTrust)
• Grelen, Harold E.: Comparison of seasons and frequencies of burning in a young slash pine plantation (Southern Forest Experiment Station, 1983) (page images at HathiTrust)
• Grelen, Harold E.: Herbage yield related to basal area and rainfall in a thinned longleaf plantation (Dept. of Agriculture, Forest Service, Southern Forest Experiment Station, 1978), also by R. E. Lohrey, United States Forest Service, and La.) Southern Forest Experiment Station (New Orleans (page images at HathiTrust)
• Grelen, Harold E.: Identifying hardwoods growing on pine sites (U.S. Dept. of Agriculture, Forest Service, Southern Forest Experiment Station, 1977), also by Clair A. Brown (page images at HathiTrust)
• Grelen, Harold E.: Identifying Hardwoods Growing on Pine Sites, also by Clair A. Brown, illust. by Bryan A. Jowers (Gutenberg ebook)
• Grelen, Harold E.: May burns stimulate growth of longleaf pine seedlings (Dept. of Agriculture, Forest Service, Southern Forest Experiment Station, 1978), also by United States Forest Service and La.) Southern Forest Experiment Station (New Orleans (page images at HathiTrust)

Find more by Harold E. Grelen at your library, or elsewhere.