Hall, Bob. 1991-1992 green index : : a state-by-state guide to the nation's environmental health / [electronic resource] / Bob Hall and Mary Lee Kerr.. — Washington, D.C. : : Island Press,, 1991.. — 162 p. : : maps ; 28 cm. Includes index. ISBN: 1559631155 (cloth) 9781559631150 (cloth) 1559631147 (paper) 9781559631143 (paper) Subjects--Topical Terms: Environmental health--United States. LC Class. No.: RA566.3 / .H32 1991 Dewey Class. No.: 363.70973 363.7/0025 National Agricultural Library Call No.: RA566.3.H32 / 1991