This publication provides information about the atmospheric conditions in and near the national forests in the Ozark-Ouachita Highlands: the Mark Twain in Missouri, the Ouachita in Arkansas and Oklahoma, and the Ozark-St. Francis National Forests in Arkansas. This report includes information about particulate matter, visibility, ozone concentrations, and acid deposition in the Ozark-Ouachita Highlands Assessment area.
U.S. Department of Agriculture, Forest Service. 1999. Ozark-Ouachita Highlands Assessment: Air Quality. Gen. Tech. Rep. SRS-32. Asheville, NC: U.S. Department of Agriculture, Forest Service, Southern Research Station. 57 p.