Algae in water supplies; an illustrated manual on the identification, significance, and control of algae in water supplies.

Mode of access: Internet.

Managing cartographic and architectural records.

Cover title: Managing cartographic, aerial photographic, architectural, and engineering records.

Records of the Assistant Commissioner for the State of Mississippi : Bureau of Refugees, Freedmen, and Abandoned Lands, 1865-1869.

Introduction and preparation for filming by L. Marie Bouknight.

Companies that treat, store, and dispose of hazardous waste : ... annual report /

Vol. for <1985> includes booklet for the Illinois Environmental Protection Agency hazardous waste treatment, storage, and disposal facility annual report forms and instructions for completing the annual hazardous waste report.

Public works authorizations, 1968: rivers and harbors, flood control, and multiple-purpose projects : hearings, Ninetieth Congress, second session.

Considers (90) S. 537, (90) S. 1144, , (90) S. 1215, (90) S. 1529, (90) S. 1549, (90) S. 1622 , (90) S. 1812, (90) S. 2024, (90) S. 2059, (90) S. 2169. (90) S. 2236,(90) S. 2611.