Prof. Lisk studies on uptake of heave metals by plants. Don Lisk feeding pelelized paper to sheep., June 1975

Prof. Lisk studies on uptake of heave metals by plants. Don Lisk feeding pelelized paper to sheep., June 1975, Job #368, Box: 15. Cornell University Media Services Photo Section records, 21-37-2227. Division of Rare and Manuscript Collections. https://archives.library.cornell.edu/repositories/2/archival_objects/164196 Accessed October 22, 2025.