GRIMSLEY. | Gypsum Mines and Mills. | i) 
elsewhere in the state. Likewise the same Tertiary beds at 
different places have considerable saline properties, something 
which is entirely unknown to them elsewhere in the state. 
It is probable, as Haworth has already pointed out, that this 
gypsum has originated through an upward movement of the 
water through the Red Beds beneath, which served as a source 
of the gypsum, and that the crystallization was produced by sur- 
face evaporation at or near the present localities of the gypsum. 
Here also the amount of the gypsum is not sufficiently great 
to make the deposits have any considerable economic importance. 
