This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
Martin House complex . Layout of the Darwin Martin House complex from fire insurance maps Insurance Maps Buffalo New York Volume five original modifications June Sanborn Map Company modifications by Dave Pape Original map is PD US pre modified version released to PD Darwin Martin House Maps of Buffalo New York Sanborn maps