...material would be rendered more refractory and could probably be used profitably and with good results. THE WASH NICHOLLS PLACE. — The farm of Mr. Wash...clay exposure, as shown by the following section: , ,, :-?>/.\e-^V---:v.:<:-e-:-ve-'-.V''.'-ev:-V-\ Big Clifty Sandstone f in •;±>J^;i^^c^!^j^k Bluish...

...refractory and could probably be used profitably and with good results. THE WASH NICHOLLS PLACE.—The farm of Mr. Wash Nicholls is on the East View and...varied clay exposure, as shown by the following section : 5ft 6 in. «. "^.•.,.'•,.,.'•,•I'.-X>Vv' ; *.V*'.'•-'v : .Vv\ Biff Clifty Sandstone in!...

...drying and an additional 7.5 per cent when vitrified, giving a total shrinkage of 17.5 per cent. Tho air-dried mud showed a tensile strength of 98 pounds...Dark, red and drab clay ; 5 ft. 5. Dark alone 2% ft. 6. Red and dark 3 ft. 7. Bluish marl 10 in. 8. Covered 15 ft. 9. St. Louis limestone 2 ft. The drab...

...vitrification occurred at cone 2 (2,138 degree F1.), complete at cone 7 (2,318 degrees F.). It hurned to a good body and is a fair grade of sewer-pipe or...ft. 4. Dark, red and drab clay 5 ft. 5. Dark alone 2Vi ft. 6. Red and dark 3 ft. 7. Bluish marl 10 in. 8. Covered 15 ft. 9. St. Louis limestone 2 ft....

...a good body and is a fair grade of sewer-pipe or paving-brick clay. CLAY No. 130. The Wash Xicholls Place. The farm of Mr. Wash Nicholls is on the East...exposure, as shown by the following section : 1. Big Cllfty sandstone 5 ft. 2. Bluish marl 6 in. 3. Drab plastic clay 10 ft. 4. Dark, red and drab clay...