A group of Tarrant County investors is betting growth will follow the expansion of State Highway 360, U.S. 287 and the U.S. 287 bypass by planning the launch of the second of two major, mixed-use developments in Midlothian. The group is just one of several cashing in on a hot residential market in the Ellis County city. Lawson Farms Development L.P., comprised of Fort Worth investor Steve Patterson and Colleyville investors Kim Gill and John Orell, filed a plat Feb. 18 for a