Title: Ponderosa pine annual growth rings as monitors of zinc, lead, & cadmium in the Coeur d'Alene-Spokane River system, Idaho, U.S.A
First published: 1994
Subjects: Plants, Effect of lead on, Testing, Effect of zinc on, Growth, Ponderosa pine, Effect of cadmium on, Tree-rings
Places: Coeur d'Alene River Watershed, Washington (State), Idaho, Spokane River Watershed, Spokane River