I bought my Caterpillar Diesel Fifty Tractor in July, 1933, for wheat-farming in Castro and Swisher counties, "writes Clyde Merryman, Hart Texas. "by May, 1937, this Diesel had operated over 14,000 hours. Its fuel cost per 12-hour day was only $1.80 ...

Resources:

West Texas History & Memories

Early Life in Texas County by County

Books about Texas People and Places

Amazing People from Texas County by County