Show worth werth of gypsum plaster Pl aeter gypsum plaster Is largely displacing lerae mortar aa as a wall finish not only ie in it found to be more suitable and dL durable rable but its strength and hardness and ald the fact that construction can bo be more quickly when it Is have brought it into favor it alio has great value as a neutralizer ot of alkali in soils the belt of country oL extending from iowa iona through kansas abd aid lanoma Ok and into texas in blades tho the plants chich produce a large pirt of the output of gypsum west of the mississippi river tho the deposits in these states are practically inexhaustible |