Nitric acid digestion of leached zone /

"Contract No. AT(49-1)-538."

Leached zone : dissolution of values using heat treated feeds /

"U.S. AEC Contract AT(49-1)-545."

Leached zone : phosphate recovery /

"U.S. AEC Contract AT(49-1)-545."

Public participation in the Illinois Coastal Zone Management Program development /

On cover: Third year work product; public participation.