Wood as a crop in Illinois Telford, Clarence John. creator text book Urbana 1926 1926
print
ENG Issued originally as Forestry circular no. 4. Illinois Woodlots Illinois. Natural History Survey Division Circular, 18 Illinois. Natural History Survey Division Forestry circular, no. 4 https://www.biodiversitylibrary.org/bibliography/50192 1465112 10.5962/bhl.title.50192 SPI