https://www.nmgs.org/2026-past-issues
2026 Past Issues | nmgs
past issuesnmgs
https://nmgs.nmt.edu/publications/special/12/home.cfm
NMGS Special Publication - 12
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https://nmgs.nmt.edu/publications/guidebooks/details.cfml?ID=132485
NMGS 2019 Guidebook Details
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https://nmgs.nmt.edu/publications/guidebooks/details.cfml?ID=134415
NMGS 2024 Guidebook Details
nmgsguidebookdetails
https://nmgs.nmt.edu/publications/special/5/home.cfm
NMGS Special Publication - 5
special publicationnmgs