Activists seeking to prevent the development of a privately owned portion of a Revolutionary War battlefield in New Jersey have filed another legal challenge.

The Princeton Battlefield Society asked a federal court on Tuesday to issue a preliminary injunction under the Clean Water Act. It claims the Institute for Advanced Study has been destroying critical wetlands at its construction site on the Maxwell Field property, which is seen by scholars and preservationists as hallowed ground.

The prominent academic institute — where Albert Einstein worked — wants to build a 15-unit faculty housing development on land adjacent to Princeton Battlefield State Park. It says the housing would allow faculty members to spend more time on campus and encourage collaboration with visiting scholars.

Institute officials have denied the society's claims, noting they have received all regulatory approvals needed to proceed with their project.