Travel to and/or call on feed and fertilizer manufacturers, distributors, integrated operations and consumers to identify, inspect and sample products subject to the Texas Commercial Feed and Fertilizer Control Acts. Reside in/provide surveillance for the following counties: Bell, Burnet, Coryell, Falls, Freestone, Hamilton, Lampasas, Limestone, Llano, McLennan, Mills, Navarro, San Saba, Travis .