92
a
eae
el te he etey omote
ee ee wee Be wen eee meme se enecneh
ttt ee eee cee cee eee NL
FE
«
ee ~— ee
, i
od
ee ww weet eee Tee
Radioautographs and photographs of soil core
sections.
From left to right:
undisturbed
young soil, ereded young soil, old soil.