Attribution
| “Septic Systems and Steep Slopes (18)” by Soil Science licensed under [CC BY 2.0], via flickr.com (cropped) |
| “Porta Potty” By David Shankbone, [CC-BY-SA-3.0], via Wikimedia Commons (cropped) |
| “Septic Systems and Steep Slopes (18)” by Soil Science licensed under [CC BY 2.0], via flickr.com (cropped) |
| “Porta Potty” By David Shankbone, [CC-BY-SA-3.0], via Wikimedia Commons (cropped) |