...formation, a little above its contact with the limestone. It occurs, also, further east, on the Bushkill, and has been found, likewise, on the Union canal,...water. Thus prepared, it constitutes, when mixed with oH, a very excellent pigment for the exterior of houses, fences, and other structures exposed to the...

...formation a little above its contact with the limestone. It occurs also further east on the Bushkill, and has been found likewise on the Union Canal, in...situation in the stratum. It requires to be ground in a drug-mill, and levigated in troughs, by passing over it a stream of water. Thus prepared, it constitutes,...

...formation a little above its contact with the limestone. It occurs also further east on the Bushkill, and has been found likewise on the Union Canal, in...situation in the stratum. It requires to be ground in a drug-mill, and levigated in troughs, by passing over it a stream of water. Thus prepared, it constitutes,...

...formation a little above its contact with the limestone. It occurs also further east on the Bushkill. and has been found likewise on the Union Canal, in...situation in the stratum. It requires to be ground in a drug-mill, and levigated in troughs, by passing over it a stream of water. Thus prepared, it constitutes,...

...formation a little above its contact with the Limestone * * * *. It requires to be ground in a dry mill, and levigated in troughs by passing over it...excellent pigment for the exterior of houses, fences und other structures exposed to the weather. A traveler in that region in 1799 reports the use of the...