MyWiki:WikiProject Soil/PD image sources
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Soil images needing upload to Commons
[edit source]WikiCommons upload link. Ideally photos would be converted to a lossless PNG format using a program like GIMP and diagrams would be converted to an SVG format.
- http://soils.usda.gov/technical/handbook/ Example:
- http://soils.usda.gov/technical/manual/ Especially:
- ftp://ftp-fc.sc.egov.usda.gov/NSSC/Field_Book/FieldBookVer2.pdf
- ftp://ftp-fc.sc.egov.usda.gov/NSSC/Hydric_Soils/FieldIndicators_v6_0.pdf
- http://soils.usda.gov/gallery/photos/profiles/
- http://photogallery.nrcs.usda.gov/