> 
Mississippi an or Pennsylvanian age - sandstone ^ ^ 
masses near Holla may Be of .. 
Mississippian crinoidal chert at Loc.335(south 
of Lutesville) * . 
ITiangua chert group or series - Jefferson, 
Roubi&ouz, and gasconade - thicknesses of . • - 
Ozark region - action of Committee on geologic 
hSm - list of names hy Miss Wilmarth^ 
Ozark trip - itinerary of • *. ^ 
PatseyKQ** 6 miles east of Steelville, railroaa 
crossing at Cherry Valley spur = Loc.^08 . . 18 
Patterson = Loc.529 (Piedmont to Bounds) .... 50 
Pennsylvanian or Mississippian age - sandstone 
masses near Holla may he oi . 
Piedmont to Lutesville = Locs•326-345 .... o0~34 
Piedmont = Loc.326. 
Possum Creek - near Locs.343,344 (vicinity ox ^ 
Lutesville).. * * # • * * ^ 
Potosi:-"Steelvilleito - sketch .... • - * .5 & 
20 miles vest of = Loc.292 (Huzzah 
Creek to Berryman). 
— Loc.300 (Steelville to Totosi) . • 52 
to Ironton = Locs.301-311. 54 
Potosi chert: 
at Loc.500 (Belleview, Potosi to Ironton) 25 
Between Locs.309,310 ((Irani tevi lie and 
Pilot .. 
drusv at Locs.316—320 (Ironton to Hogan, 
to Centerville) .. 57 
upper, at loc.32S(east of Piedmont) . . 30 
Potosi group or series - mentioned.^5 
Pilot Knob = Loc.310. 25 
Plattin Is. at Loc.335 (south of Lutesville) . . 34 
Plattin or Black River near Loc.352 (Jack3on) . . 37 
