Isopach map, Ordovician carbonates
by
Berendsen, Pieter; and Blair, K.P.
Supplemental files:
https://www.kgs.ku.edu/Publications/OFR/1988/KGSOFR1988-51A/KGSOFR1988-51A.tif
Kansas Geological Survey, Open-file Report 1988-51A
by
Berendsen, Pieter; and Blair, K.P.
https://www.kgs.ku.edu/Publications/OFR/1988/KGSOFR1988-51A/KGSOFR1988-51A.tif