|Name||Midway Group (undifferentiated)|
Sedimentary > Clastic > Mudstone > Shale > Black-shale (Bed)
|Comments||Only at surface in northwest Caddo Parish and at Prothro and Rayburns salt domes in Bienville Parish.|
Snead, J.I., and Mcculloh, R.P., 1984, Geologic Map of Louisiana: Louisiana Geological Survey, scale 1:500,000.
|Counties||Bienville - Caddo|