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University of Northern Iowa

Three men in the wilderness: Ideas and concepts of nature during the Progressive Era with Theodore Roosevelt, Gifford Pinchot and John Muir

Chain of custody

source
Harvested from
University of Northern Iowa
Base URL
scholarworks.uni.edu/do/oai/
Last updated
2026-07-24
Source record
OAI-PMH GetRecord
citation

Duke, Jeffrey A.. Three men in the wilderness: Ideas and concepts of nature during the Progressive Era with Theodore Roosevelt, Gifford Pinchot and John Muir. 2016. https://scholarworks.uni.edu/etd/307