Trends in Conservation ProblemsWisconsin Conservation Department, 1963 - Natural resources |
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acreage acres activity additional affected amount appears approximately brush caused cleared committee completed conservation considerable construction continues cooperators cover loss Creek crop cutting damage decrease Department destructive cutting ditching Division drainage Dutch elm erosion farm farmers feet fencing field fires fires burned fish Fo.M forest grazing habitat hardwood hedgerow Highway hunting improvement increase individuals interest irrigation lack Lake land landowners laws major Marsh Michigan miles natural normal noted Oak wilt occurred operation owners park past pasturing percent pine plans pollution ponds practices precipitation present private land problem progress recreational removal reported restoration resulted River road roadside serious Service snow soil spring stands stream stream banks structures timber Town Township tree planting trend water levels watershed wildlife winter Wisconsin wood woodland woodlots