Sewemup Mesa, Mesa County, Colorado 38.4711 -108.94511 Mesa Colorado USA http://www.geonames.org/5438315/sewemup-mesa.html Geonames link for Sewemup Mesa, Mesa County, Colorado A cowboy in this area would find cattle who were branded by the cattle companies, tie up the cattle, cut the brand out, and then sew the hide together to resell the cows. Hence, the name "Sewemup Mesa." yes yes