Phyllis. The boundaries of the HS are uncertain at this time. I specialize in NW. LA. and do not have accurate current information on the Hemphill area. I do have an associate who works E. TX. and lives near the area you are interested in. I suggest that you contact jjfree1. She is a GHS member and tracks activity in her area. Leave your question on her personal page and I think she will be able to help you. Good Luck. Skip