United States Earthquakes 1940 (open access)

United States Earthquakes 1940

Report discussing earthquake activity in the United States during 1940. The report is broken down by regions and has sections for specific earthquakes.
Date: 1940
Creator: unknown
System: The UNT Digital Library
City Smoke Ordinances and Smoke Abatement (open access)

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