Great Bend Republican Roger Marshall led U.S. Rep. Tim Huelskamp, R-Fowler/Hutchinson, by seven percentage points in an independent poll conducted last week.�



The automated survey found Marshall at 49 percent; Huelskamp at 42 percent; and 9 percent were undecided.



Two-thirds of the 615 likely Republican primary voters surveyed said they were "firm in their choice," and a quarter said they were "somewhat firm, but might change their minds," according to Politico Pro's information.



Clout Research conducted the automated poll, carried out from July 7-9 in the 1st Congressional District. The margin of error was plus or minus 3.9 percentage points.�



Huelskamp and Marshall are battling in the Aug. 2 GOP primary.