United States Department of Agriculture
Soil temperature was measured for a year on a southeast-facing slope of 25 percent, latitude 43 degrees 50 minutes N. The spring-summer cover was unmowed alfalfa-bluegrass meadow, the fall-winter cover, meadow stubble. Snow cover was light or absent. The soil was Fayette silt loam, valley phase. The annual temperature wave at all depths followed the air temperature...
More than 54 million board feet of veneer logs where cut in Michigan, Minnesota, and Wisconsin in 1965, the largest cut since 1956. Oak showed the greatest increase. Eighty-seven percent of the total went for wall panels, doors, etc. The rest went into containers
The northern hardwood forest comprises about 9 million acres in the Lake States region. Most of this timber is in Upper Michigan and Wisconsin, with lesser amounts in Minnesota, It consists primarily of sugar maple (Acer saccharum Marsh.), yellow birch (Betula alleghaniensis Britt,), basswood (Tilia americana