Bonneterre Is.: 
at Loc.313 (near Big Creek) .... 26 
at Loc.314 (Hogans Station) .... 26 
at Locs.316-320 (Ironton to Hogan, 
to Centerville).27 
Boone chert; 
in sketch of north slope near School 
of Mines, Holla. 11 
at Loc.280 (Big Pry Fork, 3 miles 
south of St. James) ...... 14 
Boyd - between Locs.323,324 (Ellington to tiptop) 29 
Boylers chert: 
at Loc.280 (Big Dry Fork, 3 miles 
S.of St. James) .14 
at Loc.282 (Heramec Springs Hotel), 
Holla to Heramec Springs ... 15 
at Loc.286(first hill west of Steel- 
ville). 12 
at Locs.289,290(Steelville to Potosi)19 
at Loc.294(up Lost 'Creek, Steolville 
to Potosi).21 
at Loc.297(8 miles west of Potosi) 21 
at Loc.303 (Potosi to Ironton) . . 24 
at Loc.322 (Hose Hill P.0, or Corri¬ 
dor Sta. )...••* 8 
Brick house near Cane Creek = Loc.351 .... 56 
Brooks Hollow, west up toward Centerville = 
Loc. 320 . 28 
Buckley E.H. - farm of, northeast of Holla . . 7-9 
hill north of home of = 
Loc.274 - Holla to Steelville 13 
Burfordvilie,near Whitewater River = Loc.350 . 36 
Buzzard Ilill, at Loc.322 (Hose Ilill or Corridon 
to Leeper).29 
