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Archivo: NRCSIA99344 - Iowa (3381)(NRCS Photo Gallery)

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Descripción: Soil profile in central Iowa shows depth of topsoil, dark color. Iowa's average topsoil depth decreased from 14-18 inches to 6-8 inches in the 1900's century of farming.
Título: NRCSIA99344 - Iowa (3381)(NRCS Photo Gallery)
Créditos: USDA NRCS Photo Gallery: NRCSIA99344.tif
Autor(a): Photo by Lynn Betts, USDA Natural Resources Conservation Service.
Permiso: Public domainPublic domainfalsefalse This image is a work of the Natural Resources Conservation Service, part of the United States Department of Agriculture, taken or made as part of an employee's official duties. As a work of the U.S. federal government, the image is in the public domain in the United States. It was taken from the NRCS Photo Gallery. The NRCS Photo Gallery contains natural resource and conservation related photos from across the USA. The Gallery is a joint project between NRCS Conservation Communications and the NRCS Information Technology Center in Ft. Collins, Colorado. There is no charge to enhance your web site, newsletter, brochure, presentation, publication, or desktop with NRCS Photo Gallery photos.source If you use any of these photos in a publication, on a web site, or as part of any other project, it is requested but not compulsory that you use one of the following credit lines: Photo by (photographer's name), USDA Natural Resources Conservation Service. Photo courtesy of USDA Natural Resources Conservation Service. Photo courtesy of USDA NRCS.These photos may not be used to infer or imply NRCS endorsement of any product, company, or position. Please do not distort or alter the images the photos portray.
Términos de Uso: Dominio Público
Licencia: Dominio Público
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