Maryland circa 1930. "Conowingo Hydroelectric Plant. Turbine hall, seven turbines in Line II." 8x10 nitrate negative by Theodor Horydczak.  View full size.
  BUY PRINT    Maryland circa 1930. "Conowingo Hydroelectric Plant. Turbine hall, seven turbines in Line II." 8x10 nitrate negative by Theodor Horydczak. | Click image for Comments. | Home | Browse All Photos