| Reference | {Deposit:: SOPER, E.K., 1919, THE PEAT DEPOSITS OF MINNESOTA, MINNESOTA GEOLOGICAL SURVEY BULL 16, 261 P.}{Deposit:: FARNHAM, R.S., 1974, THE POTENTIAL OF PEAT FOR FUEL, REPORT TO THE ENERGY COMMISSION (UNPUBLISHED), 29 P.}{Deposit:: 1976 DIREXPL UNIV. OF MINNESOTA; SOILS DEPT., STATE MAPPIN} |