Holbrook’s animal control officer, Laurice Hedges, hopes to build a dog park in town with a grant from a private foundation, Town Administrator William J. Phelan said recently. In a letter to the Board of Selectmen, Hedges identified two possible sites, both owned by the town: one, her first choice, at the end of Lantern Road, and another on the town landfill property. On Lantern Road, the town owns four lots of about a half-acre each, and the land is adjacent to a town-owned parcel of 13.5 acres with significant wetlands, she said. The town received a letter May 6 from the Stanton Foundation announcing that grants were available for dog park design and construction, plus partial ongoing support. The letter said the grant process is not competitive and that the foundation has the resources to fund dog parks in all qualifying cities and towns in Massachusetts.