1967 WEATHER MODIFICATION – REGULATING RAINMAKING Zero Geoengineering Posted on September 12, 2017 by directorNovember 25, 2017 The General Assembly of the Commonwealth of Pennsylvania Act of Jan. 19, (1968) 1967, P.L. 1024, No. 449 Providing temporarily for the regulation and licensing of rain- making activities; Link to Document Share this: Share on Facebook (Opens in new window) Facebook Share on X (Opens in new window) X Share on Tumblr (Opens in new window) Tumblr Share on Reddit (Opens in new window) Reddit Email a link to a friend (Opens in new window) Email Related