Performance of 45-year. 10. cement mill, wall looking east - shepherdstown cement mill, river road, shepherdstown, jefferson county, wv contributor: kemp, e l - historic american engineering record - maddex, lee - o'connell, kristen547 structures and buildings performance of 45-year-old corroded volume 166 issue sb10 prestressed concrete beams pape and melchers in the present study, results ...