Analysis of data about postmasters and post offices scraped from Jim Wheat's Postmasters and Post Offices of Texas, 1836-1930: http://www.rootsweb.ancestry.com/~txpost/postmasters.html
Analysis of data about postmasters and post offices scraped from Jim Wheat's Postmasters and Post Offices of Texas, 1836-1930: http://www.rootsweb.ancestry.com/~txpost/postmasters.html