• Creator
  • Zasada, Z; Heinselman, M. L; Voigt, G. K; Lake States Forest Experiment Station (Saint Paul, Minn.); Minnesota. Office of Iron Range Resources and Rehabilitation
  • Publisher
  • St. Paul, Minn. :U.S. Dept. of Agriculture, Forest Service, Lake States Forest Experiment Station,1954
  • Description
  • No.30.