URLDate
Verified		Extra Software
Requirements
(if any)		Access
Conditions		Notes
https://gsr.lib.msu.edu/2000s/2008/081109.pdf11/20/2008PDF ReaderUSGA Green Section Record archive website
https://gsr.lib.msu.edu/article/beard-water-novdec[...]01/09/2023 PDF ReaderSpanish version
https://gsr.lib.msu.edu/article/beard-water-novdec[...]01/09/2023 PDF ReaderMandarin version