1. Manders, G.C., Aber, J.S.: Tri-State Mining District legacy in northeastern Oklahoma. Emporia State Research Studies 49(2), 29–51 (2014).
http://academic.emporia.edu/esrs/vol49/manders_aber.pdf
2. Grand Lake O’ the Cherokees Watershed Alliance Foundation, 2008. Grand Lake Watershed Plan: For improving water quality throughout the Grand Lake Watershed. Draft.
http://www.ok.gov/conservation/documents/Grand_Lake_%20WBP_DRAFT.pdf
3. Kansas Center for Agricultural Resources and the Environment. Middle Neosho Watershed Restoration and Protection Strategy, final draft plan (2011).
http://www.kswraps.org/files/attachments/middleneosho_plansummary.pdf
4. Lecture Notes in Computer Science;VJ Alarcon,2010
5. EPA. Better Assessment Science Integrating Point and Nonpoint Sources (BASINS) (2013).
http://water.epa.gov/scitech/datait/models/basins/index.cfm