TY - BOOK AU - Hays, Samuel P AU - Hays, Barbara D TI - Beauty, health, and permanence : environmental politics in the united states, 1955-1985 SN - 9780521389280 U1 - 363.705250973 HAY PY - 1987/// CY - Cambridge PB - Cambridge University Press KW - Environmental policy - United States - History ER -