Search for: Title Author Subject Series LC Dewey that begins with: 10 20 30 50 100 per page < Previous 10 Headings Next 10 Headings > Browse Headings # Hydraulic fracturing 2 Hydraulic fracturing -- Economic aspects -- United States. 1 Hydraulic fracturing -- Environmental aspects. 2 Hydraulic fracturing -- Environmental aspects -- East (U.S.) 1 Hydraulic fracturing -- Environmental aspects -- New York (State) 1 Hydraulic fracturing -- Environmental aspects -- Pennsylvania. 1 Hydraulic fracturing -- Environmental aspects -- Research -- United States. 2 Hydraulic fracturing -- Environmental aspects -- United States. 4 Hydraulic fracturing -- Environmental aspects -- Wyoming -- Pavillion. 1 Hydraulic fracturing -- Government policy -- United States. 9 10 20 30 50 100 per page < Previous 10 Headings Next 10 Headings >