Geology for planning in Winnebago and Boone counties : workshop /

"Conducted by the Illinois State Geological Survey in cooperation with the Boone County Board, Winnebago County Board, Boone County Soil and Water Conservation District, Winnebage County Soil and Water Conservation District and Rock Valley College."

Use of multiple regression analysis to summarize and interpret linear programming shadow prices in an economic planning model /

Issued May 1980.

Current information on urban land policies:

"ST/SOA/9."

Land and water use in Yuba-Bear Rivers hydrographic unit.

Mode of access: Internet.

Guidelines for air quality maintenance planning and analysis.

Vol. 7: second ed., 1975.