//-->
Michigan agriculture : its income, major products, location, and changes, 1959-64
Wright, Karl T., (1967)
Census of agriculture / 1 / 22
(1990)
Michigan agricultural statistics
(1957)
ENVIRONMENTAL QUALITY ISSUES
Abel, Fred H.,
Economic choices between growth, resources, and environmental quality
Randall, Alan, (1975)
Balancing environmental quality, energy use, and growth : difficult decisions
Abel, Fred H., (1975)