PHOSPHORIA FM FORMS GOOD OUTCROPS ALONG THE N FORK POPO AGIERIVER- UPPER PHOSHATE CONTAINS 3 THIN BEDS-40.6 BPL LOWERPHOSHATE ZONE- ONE BED 1FT 6IN THICK 57.6% BPLIN NEQ SEC11 T33N,R101W,ALONG A TRIBUTARY TO POPO AGIE RIVERUPPER PHOSPHATE ZONE HAS 3 BEDS 1FT THICK -34.8% BPLWYO GEOL SURV BULL 50 1966 P 146