Geochemical and mineralogical data for soils of the conterminous United States [unknown]

David B. Smith, William F. Cannon, Laurel G. Woodruff, Federico Solano, James E. Kilburn, David L. Fey
2013 Data Series   unpublished
doi:10.3133/ds801 fatcat:ln4mbdoawnairmtthdhlinv34e