Browse Items (45757 total)
Sort by:
1980 Agriculture Study 08
"April 22, 1980" An image of science professor, Doug Campbell (right), out in an agriculture field with two other people. They are digging and appear to be taking soil samples.
1980 Agriculture Study 09
"June 1980" An image of science professor, Doug Campbell, out in an agriculture field studying the soil.
1980 Agriculture Study 10
"June 1980" An image of science professor, Doug Campbell, out in an agriculture field studying the soil.
1980 Agriculture Study 11
"June 1980" An image of science professor, Doug Campbell, out in an agriculture field studying the soil.
1980 Agriculture Study 12
"June 1980" An image of science professor, Doug Campbell, out in an agriculture field studying the soil.
1980 Agriculture Study 13
"June 1980" An image of science professor, Doug Campbell, out in an agriculture field studying the soil.
1980 Agriculture Study 14
"June 1980" An image of science professor, Doug Campbell, out in an agriculture field studying the soil.
1980 Agriculture Study 15
"June 1980" An image of science professor, Doug Campbell, out in an agriculture field studying the soil.
1980 Agriculture Study 16
"June 1980" An image of science professor, Doug Campbell, out in an agriculture field studying the soil.
1980 Agriculture, Farm Equipment 01
"December 1980" Two images of people looking at farm equipment, like tractors, plow trailers, and tractor cab interiors.