June 23, 1969  through  June 22, 1970 | IIT RESEARCH INSTITUTE 

"The project was sponsored by the Division of Meteorology, Air Pollution Control Office, Environmental Protection Agency, 3820 Merton Drive, Raleigh North Carolina, 27609."  

Link To Full _DOCUMENT_91000A4F

13_November_2019_Limerick Nuclear Plant; Photo S. LePere

Method for weather modification and vapor generator for weather modification