The file is referred to in 1 page
- Unit 4
https://serc.carleton.edu/integrate/teaching_materials/sustain_agriculture/student_materials/unit_4.html
Provenance
Soil Survey Staff, Soil Survey Manual, 1993
ReuseThis item is offered under a Creative Commons Attribution-NonCommercial-ShareAlike license
http://creativecommons.org/licenses/by-nc-sa/3.0/ You may reuse this item for non-commercial purposes as long as you provide attribution and offer any derivative works under a similar license.
