ephemeral data for 2nd Division, 2nd Brigade, 1st corps at Antietam
extend erie canal in Clifton Park
extend erie canal through pattersonville NY
temporary burials Antietam Battlefield
improve Erie Canal in Rotterdam, NY
improve Erie Canal in Rotterdam, NY
complete and improve Erie Canal in Schenectady
complete and improve Erie Canal in Schenectady and Niskayuna
extend erie canal from Rexford towards Schenectady
adjust location of original Erie Canal to align with modern Power Raceway Canal
fix model of Cohoes Company Power Canal Raceway
various Cohoes Company features, Cohoes NY
add Harmony Mills housing, Cohoes NY
historic worker housing in Cohoes NY
add Harmony Mill building 2 Cohoes NY
add Harmony Mill buildings 1,3,4 Cohoes NY
improve enlarged erie canal, Rexford NY
improve enlarged erie canal, crescent NY