3 Free Images of 1936 In Montgomery County

historyhistoricalmarylandhistoric american buildings survey of marylandseneca aqueductphotographs by john o. brostrupseptember 1936 united states photographs
Sandy Spring Meetinghouse 1936
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Seneca Aqueduct Rileys Lock 24 from HABS
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Seneca Aqueduct on Chesapeake and Ohio Canal before collapse from HABS
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