A grant from a foundation paid for the grave markers.
The annual grant pays $5,000 to a graduate student studying violence against women.
The grant will pay for a study of the program's impact.
The grants pay for job training, recruiting and transporation plans.
The grants, now totaling about $500,000, paid for most of the project, along with money from each city or town involved.
But the federal government does not provide grants to pay for uninsured losses, officials said.
The grant will also pay for hiring more workers to care for the collection.
Many of the foundations offer grants to pay for other services beyond health care.
A $4 million federal grant would pay for road and traffic improvements in the area.
In 2012, a federal grant paid for improvements at the park, including a splash pad.