Collection contains the research materials of R. Harold Barton on the mills and bridges of Lancaster County. Included are field notes, working papers, photographer's negatives, and postcards.
Indexes are available listing mills by name and location, and bridges by name.
Four notebooks are the finished product of the mills and bridges research of R. Harold Barton. The notebooks constitute 1 cubic ft. of the collection. The remaining six boxes are located within the manuscript collection. These boxes house working papers, field notes, worksheets, notebooks, photographs, negatives, additional albums of photographs and other miscellaneous material relating to Lancaster County bridges and mills. Mr. Barton uses a numerical system to locate bridges and mills by township or by the names of the streams, rivers, runs and creeks.