What was the population as of the 1990 census of the town about which "Sky of Stone" was written?
Sky of Stone: Sky of Stone is the third in a trilogy of memoirs by Homer Hickam, Jr. about his hometown of Coalwood, West Virginia, that began with "October Sky". Coalwood, West Virginia:  As of the 1990 Census - the last time the town was counted separately - , the population was 900.
900