Talk:Umpqua Basin

Potential sources

 * https://www.oregon.gov/deq/wq/tmdls/Pages/TMDLs-Umpqua-Basin.aspx
 * https://oregonexplorer.info/content/history-the-umpqua-basin?topic=167&ptopic=140
 * https://pubs.usgs.gov/wsp/0379/report.pdf
 * https://oregonexplorer.info/places/basins/umpqua
 * https://umpquawatersheds.org/
 * https://static1.squarespace.com/static/5a0dcc9bbce17698a0425591/t/5a0dcdfad63352ad667fdbe5/1339723305005/LowerNorthUmpqua.zip
 * https://static1.squarespace.com/static/5a0dcc9bbce17698a0425591/t/5a0dcdfad63352ad667fdbe8/1339723325733/LowerSouthUmpqua.zip
 * https://digital.osl.state.or.us/islandora/object/osl:18000