Indiana Department of Environmental Management: https://www.in.gov/idem/
Indiana Water Monitoring Council: http://www.inwmc.org/
Indiana Watershed Leadership Program: https://engineering.purdue.edu/watersheds/
Purdue University Extension Office: https://www.extension.purdue.edu/
United States Center for Disease Control and Prevention: https://www.cdc.gov/
United States Department of Agriculture: https://aglearn.usda.gov/
United States Environmental Protection Agency: https://www.epa.gov/
Vigo County Soil and Water Conservation District: https://www.vigocounty.in.gov/department/index.php?structureid=35
World Health Organization: https://www.who.int/health-topics/water-sanitation-and-hygiene-wash#tab=tab_1
Drinking Water: https://www.cdc.gov/healthywater/drinking/public/regulations.html
Drinking Water: Water Sources: https://www.cdc.gov/healthywater/drinking/public/water_sources.html
Section 404 of the Clean Water Act: https://www.epa.gov/cwa-404/streams-under-cwa-section-404
The Nitrogen Cycle: https://www.khanacademy.org/science/biology/ecology/biogeochemical-cycles/a/the-nitrogen-cycle
The Phosphorus Cycle: https://www.khanacademy.org/science/biology/ecology/biogeochemical-cycles/a/the-phosphorous-cycle
The Water Cycle: https://www.khanacademy.org/science/biology/ecology/biogeochemical-cycles/a/the-water-cycle
Indiana Lakes, Rivers, and Water Sources: https://geology.com/lakes-rivers-water/indiana.shtml
Map of Otter Creek Township, Vigo County, Indiana: https://dmr.bsu.edu/digital/collection/InHisAtls/id/1560/rec/10
Otter Creek Base
Otter Creek, Vigo County, Indiana: Otter Creek Topo Map in Vigo County, Indiana (anyplaceamerica.com)
Otter Creek Watershed: https://www.in.gov/idem/nps/resources/total-maximum-daily-load-reports/otter-creek/
US Rivers Map: https://www.freeworldmaps.net/united-states/us-rivers.html
Wabash Drainage
Farming Systems in North America: https://www.sciencedirect.com/science/article/pii/B9780081005965221574?via%3Dihub
Saving Money, Time and Soil: The Economics of No-Till Farming: https://www.usda.gov/media/blog/2017/11/30/saving-money-time-and-soil-economics-no-till-farming
Cover Crop Fundamentals: https://ohioline.osu.edu/factsheet/agf-142
Cover Crops - Keeping Soil in Place While Providing Other Benefits: https://www.nrcs.usda.gov/wps/portal/nrcs/detail/ny/technical/?cid=nrcs144p2_027252
Cover Crops and Soil Health: https://www.nrcs.usda.gov/wps/portal/nrcs/detail/national/climatechange/?cid=stelprdb1077238
Cover Crops for Sustainable Crop Rotations: https://www.sare.org/resources/cover-crops/
Operating and Maintaining an Onsite Sewage System: https://www.extension.purdue.edu/extmedia/HENV/HENV-107-w.pdf
Septic Systems and Their Maintenance: https://content.ces.ncsu.edu/septic-systems-and-their-maintenance
Characterizations of a Healthy Stream: https://www.academia.edu/13195422/Characteristics_of_a_healthy_strea
Monitoring Water in Indiana: Choices for Nonpoint Source and Other Watershed Projects: https://engineering.purdue.edu/watersheds/monitoring/MonitoringWaterinIndiana.2012.1.pdf
Factors Influencing Stream Health: http://www.hawaii.edu/gk-12/evo/erinb.streams.factors.htm
The Otter Creek Project: https://ouabachelandconservancy.org/otter-creek
Understanding Factors Influencing Farmers' Engagement in Watershed Management Activities: https://www.frontiersin.org/articles/10.3389/fsufs.2021.669571/full
Using Social Indicators to Evaluate the Effectiveness of Outreach in Two Indiana Watersheds: https://doi.org/10.1111/j.1936-704X.2015.03200.x
Water: Rivers & Streams. https://archive.epa.gov/water/archive/web/html/streams.html