Aerial view of contoured farmland showing roads and farms <a href="/items/browse?advanced%5B0%5D%5Belement_id%5D=49&advanced%5B0%5D%5Btype%5D=is+exactly&advanced%5B0%5D%5Bterms%5D=Contouring%3B">Contouring;</a> State Library of Iowa Plymouth County Soil and Water Conservation District This Item is protected by copyright and/or related rights. You are free to use this Item in any way that is permitted by the copyright and related rights legislation that applies to your use. For other uses you need to obtain permission from the rights-holder(s). <a title="In Copyright" href="https://rightsstatements.org/page/InC/1.0/?language=en">http://rightsstatements.org/vocab/InC/1.0/unknown</a> jpg still image Aerial view of contoured farmland with road at the top in Plymouth County, Iowa <a href="/items/browse?advanced%5B0%5D%5Belement_id%5D=49&advanced%5B0%5D%5Btype%5D=is+exactly&advanced%5B0%5D%5Bterms%5D=Contour+farming">Contour farming</a> State Library of Iowa Plymouth County Soil and Water Conservation District This Item is protected by copyright and/or related rights. You are free to use this Item in any way that is permitted by the copyright and related rights legislation that applies to your use. For other uses you need to obtain permission from the rights-holder(s).<a title="In Copyright" href="https://rightsstatements.org/page/InC/1.0/?language=en"> http://rightsstatements.org/vocab/InC/1.0/unknown</a> jpg Still image Aerial View of Contoured Farmland with road up in right hand corner <a href="/items/browse?advanced%5B0%5D%5Belement_id%5D=49&advanced%5B0%5D%5Btype%5D=is+exactly&advanced%5B0%5D%5Bterms%5D=Contour+farming">Contour farming</a> State Library of Iowa Plymouth County Soil and Water Conservation District This Item is protected by copyright and/or related rights. You are free to use this Item in any way that is permitted by the copyright and related rights legislation that applies to your use. For other uses you need to obtain permission from the rights-holder(s).<a title="In Copyright" href="https://rightsstatements.org/page/InC/1.0/?language=en"> http://rightsstatements.org/vocab/InC/1.0/unknown</a> jpg still image Aerial view of contoured farmland with roads, farms, and trees <a href="/items/browse?advanced%5B0%5D%5Belement_id%5D=49&advanced%5B0%5D%5Btype%5D=is+exactly&advanced%5B0%5D%5Bterms%5D=Contour+farming">Contour farming</a> State Library of Iowa Plymouth County Soil and Water Conservation District jpg still image Aerial view of contoured farmland with tractor moving along the rows <a href="/items/browse?advanced%5B0%5D%5Belement_id%5D=49&advanced%5B0%5D%5Btype%5D=is+exactly&advanced%5B0%5D%5Bterms%5D=Contour+farming%3B">Contour farming;</a> Vern Denherder's name is on the back State Library of Iowa Plymouth County Soil and Water Conservation District This Item is protected by copyright and/or related rights. You are free to use this Item in any way that is permitted by the copyright and related rights legislation that applies to your use. For other uses you need to obtain permission from the rights-holder(s). <a title="In Copyright" href="https://rightsstatements.org/page/InC/1.0/?language=en">http://rightsstatements.org/vocab/InC/1.0/unknown</a> jpg still image Aerial view of contoured farmland with trees <a href="/items/browse?advanced%5B0%5D%5Belement_id%5D=49&advanced%5B0%5D%5Btype%5D=is+exactly&advanced%5B0%5D%5Bterms%5D=Contour+farming">Contour farming</a> State Library of Iowa Plymouth County Soil and Water Conservation District This Item is protected by copyright and/or related rights. You are free to use this Item in any way that is permitted by the copyright and related rights legislation that applies to your use. For other uses you need to obtain permission from the rights-holder(s). <a title="In Copyright" href="https://rightsstatements.org/page/InC/1.0/?language=en">http://rightsstatements.org/vocab/InC/1.0/unknown</a> jpg still image Aerial view of contoured land in Plymouth County, Iowa <a href="/items/browse?advanced%5B0%5D%5Belement_id%5D=49&advanced%5B0%5D%5Btype%5D=is+exactly&advanced%5B0%5D%5Bterms%5D=Contour+farming">Contour farming</a> State Library of Iowa Calvin G. Stickel 321 Central Avenue S. W. Le Mars, Iowa 51031 Plymouth County Soil and Water Conservation Distirct This Item is protected by copyright and/or related rights. You are free to use this Item in any way that is permitted by the copyright and related rights legislation that applies to your use. For other uses you need to obtain permission from the rights-holder(s). <a title="In Copyright" href="https://rightsstatements.org/page/InC/1.0/?language=en">http://rightsstatements.org/vocab/InC/1.0/unknown</a> jpg still image Aerial view of contoured land with trees in lower left corner <a href="/items/browse?advanced%5B0%5D%5Belement_id%5D=49&advanced%5B0%5D%5Btype%5D=is+exactly&advanced%5B0%5D%5Bterms%5D=Contour+farming%3B">Contour farming;</a> State Library of Iowa Plymouth County Soil and Water Conservation District This Item is protected by copyright and/or related rights. You are free to use this Item in any way that is permitted by the copyright and related rights legislation that applies to your use. For other uses you need to obtain permission from the rights-holder(s).<a title="In Copyright" href="https://rightsstatements.org/page/InC/1.0/?language=en"> http://rightsstatements.org/vocab/InC/1.0/unknown</a> jpg still image Aerial view of Contoured terraces on farmland in Plymouth County, Iowa <a href="/items/browse?advanced%5B0%5D%5Belement_id%5D=49&advanced%5B0%5D%5Btype%5D=is+exactly&advanced%5B0%5D%5Bterms%5D=Contour+farming%3B+terracing">Contour farming; terracing</a> State Library of Iowa 1976 Plymouth County Soil and Water Conservation District This Item is protected by copyright and/or related rights. You are free to use this Item in any way that is permitted by the copyright and related rights legislation that applies to your use. For other uses you need to obtain permission from the rights-holder(s). <a title="In Copyright" href="https://rightsstatements.org/page/InC/1.0/?language=en">http://rightsstatements.org/vocab/InC/1.0/unknown</a> jpg still image Aerial view of contoured, sloped farmland with farm buildings in the left hand corner and roads on the right <a href="/items/browse?advanced%5B0%5D%5Belement_id%5D=49&advanced%5B0%5D%5Btype%5D=is+exactly&advanced%5B0%5D%5Bterms%5D=Contour+farming">Contour farming</a> State Library of Iowa Plymouth County Soil and Water Conservation District This Item is protected by copyright and/or related rights. You are free to use this Item in any way that is permitted by the copyright and related rights legislation that applies to your use. For other uses you need to obtain permission from the rights-holder(s).<a title="In Copyright" href="https://rightsstatements.org/page/InC/1.0/?language=en"> http://rightsstatements.org/vocab/InC/1.0/unknown</a> jgp still image