Here's a westbound freight train passing through Washington Grove, MD. The eastbounds have it tough on the Metropolitan sub with two uphill grades, but westbounds don't have it easy, either. It's more or less an uphill climb all the way from Washington DC to Gaithersburg with varying degrees of gradient. The slide is marked as being processed in October 1972, and it appears that is probably very close to the date this was taken by Walter Schopp, JL Sessa collection.
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