Check out this historic publication from the VFSEF that I recently recieved from: Joanne Rebbeck at the USDA Forest Service, Northern Research Station (Delaware Lab):
Link to publication: VFEF_bklt_1963
Check out this historic publication from the VFSEF that I recently recieved from: Joanne Rebbeck at the USDA Forest Service, Northern Research Station (Delaware Lab):
Link to publication: VFEF_bklt_1963