According to the Center for Disease Control and Prevention (scroll way down until you come to the part on Texas) and you will see the following:
In 2009, data from the registry showed that six counties in the western Dallas-Fort Worth area had the highest incidence of invasive breast cancer in the state. These counties are Tarrant (which includes the city of Fort Worth), Denton, Wise, Parker, Hood, and Johnson.
So, the counties with the highest rates of breast cancer in Texas are in Tarrant, Denton, Wise, Parker, Hood, and Johnson Counties. The counties with the most natural gas production are, Tarrant, Denton, Wise, Parker, Hood, and Johnson Counties. Coincidence?
source  wrote: