Keywords: Marquart-Mercer Farm from the north.jpg 79001791 39 51 21 N 83 49 47 W Roadside view of buildings on the w Marquart-Mercer Farm located at 743 Sparrow Road south of Springfield Ohio Springfield in Mad River Township Clark County Ohio Mad River Township Clark County Ohio Clark County Ohio United States The farm's three buildings are listed on the National Register of Historic Places own 2010-06-14 User Nyttend Nyttend No<nowiki></nowiki>ne Barns in Ohio Cornfields in Ohio Mad River Township Clark County Ohio National Register of Historic Places in Clark County Ohio Building-centered pictures by User Nyttend Taken with Canon PowerShot A540 |