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[[stamped]] 0131 [[/stamped]] In section 1/4 mile W of hy 77 the Sowerbyites occur in the upper 10' of Deckers division 23 just under a sandy ls. Deckers beds 23, 22 and possibly 21, I think, correlated with the shales on Spring Creek. [[sketch of rock column in left margin]] ---------| 18' | M ---------| 30 | L ---------| 8' | K ---------| 3' | J ---------| 3' | I ---------| Covered | ---------| 25' | H ---------| 22' | G ---------| 40' | F ---------| Covered | } 30' +-? ---------| 8' | E ---------| 2' | D ---------| 3' | C ---------| 7'B | B ---------| 25'+- | A ---------| + 25' to Birdseye of McLish [[end of sketch]] July 8 Section on US [[insert]] Okla [[/insert]] 99 all thicknesses guesstimates A = limesand calcarenite of bryozoa & cystid stems often sandy Hesperorthis, Mimella, large Opikina B = shale with Valcourea, Hesperothis C = calcarenite Trilobite fragments D = shale 2' Bryozoa, Mimella, HEsperothis E - yellow - weathering thin bedded ls. 8'. F - yellow porous ls. 40' Top 20' thin bedded blue but weathering yellow often shaly G - bryozoan bed consisting of 4 parts: 4' of bryozoan coquina with Mimella; nodular ls. 3' of crimes[[?]] lithology with abundant Opikina; thin bedded ls. 5'; [[begin strikethrough]] platy ls. & shale 10' [[/strikethrough]] rough sandy weathering platy, yellow, white weathering sandy ls 10'