Kill van Kull Palisades diabase rock

During construction, Bean-Stuyvesant Dredging assigned e4sciences|Earthworks to determine the top of rock in the Palisades Sill beneath the sediment overburden in the Kill Van Kull. e4sciences|Earthworks used multichannel seismic reflection imaging to map the rock surface beneath the sediments. Bean-Stuyvesant dug the sediment to top of the rock before blasting.