Composite Surface Soil Sample
Description:
Photograph of J. A. Killough in fourth of a series: How to take a composite surface soil sample. After you have taken a thin slice of soil from the hole, take a core about a half inch wide from the center of the slice and place in a clean bucket. Repeat for each spot selected within the field or area to be sampled.
Date:
January 25, 1955
Creator:
Gamble, M. D.
Partner:
Oklahoma Conservation Historical Society