Resource Type
States
3 Matching Results
Results open in a new window/tab.
Results:
1 - 3 of
3
City Smoke Ordinances and Smoke Abatement
From Introduction: "In connection with the fuel investigations conducted by the Bureau of Mines much information has been accumulated as to the smoke abatement activities in various cities. The essential features of the information are presented in this report, which, it is believed, will be of public interest and benefit, especially to those communities that are just beginning organized effort to abate unnecessary smoke."
Date:
1912
Creator:
Flagg, Samuel B.
System:
The UNT Digital Library
Plan of Study for the Northern Midwest Regional Aquifer-System Analysis
From abstract: Sedimentary rocks of Cambrian and Ordovician age form a major aquifer system in most of Wisconsin and Iowa, northern Illinois, northwestern Indiana, southeastern Minnesota, and northern Missouri. Many metropolitan areas depend on the aquifer for all or part of their water supplies. Declines in potentiometric head have been large in the most heavily pumped areas, most notably Chicago, Milwaukee-Waukesha, Minneapolis-St. Paul, and Des Moines.
Date:
April 1979
Creator:
Steinhilber, W. L. & Young, H. L.
System:
The UNT Digital Library
Upper Mississippi River System: Proposals to Restore an Inland Waterway’s Ecosystem
This report explains what is meant by restoration, the Corps' restoration plan, and some of the issues in the debate over federal investment in this restoration.
Date:
May 12, 2005
Creator:
Powers, Kyna & Carter, Nicole T.
System:
The UNT Digital Library