Kurt Lewis Helf, Ph.D.
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hophead57.bsky.social
Kurt Lewis Helf, Ph.D.
@hophead57.bsky.social
Cave Ecologist. Views expressed in posts are my own and do not reflect those of my employer. RP ≠ Endorsement He/him/his
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https://www.nps.gov/im/cupn/index.htm
November 6, 2025 at 1:30 AM