sponsored by West Otero Soil Conservation District, East Otero Soil Conservation District, Colorado State Soil Conservation Board ; assisted by Natural Resources Conservation Service
cooperative project of the Russian Academy of Agricultural Sciences and the United States Department of Agriculture, Natural Resources Conservation Service = Zashchita pochv i vodnykh resursov / sovmestnyĭ proekt Rossiĭskoĭ akademii selʹskokhozi︠a︡ĭstvennykh nauk i Sluzhby okhrany prirodnykh resursov Ministerstva selʹskogo khozi︠a︡ĭstva SShA
a cooperative program between the National Park Service, U.S. Department of the Interior and Natural Resources Conservation Service, U.S. Department of Agriculture