7/6/83 8323 W of MANTUA QUARRY at K/T CONTACT Loc 8210 again. L. UTTER K. Johnson NE 1/4, NW 1/4, SW 1/4, SEC 31, T 57N, R 98W Park CO, Wyo. Deaver Mes 7 1/2' Section across the K/T Bdy Sampled at 2cm INTERVALS STARTS IN UNDERCLAY OF LOWEST LIGNITE UNIT 1.62 of SEC 8210 Abt 1m. below leaves in pair SITS. SECTION STARTS IN UNDERSOI. of LOWEST LIGNITE medium grey, Chippy S/TST becomes SOUBY in Upper 4cm Some roots & disturbed bedding LIMONITE STAINING on JOINTS & W Vert ROOTS. 1) 0 2) 7.5 LIGNITE, BLACK 3) 16cm - Becomes SILTY 4) 19 MudST., grey, w Vert & horizontal roots Limonite ST in joints (UNDERCLAY) for LIGNITE above increasingly SOUBY in upper 2 cm. 5) 29 Lignite