On Saturday, April 26, Halibut Point State Park will begin its weekly Quarry Tour. This popular program, beginning at 10:00am in the Visitors Center and running every Saturday thru October, features a twelve minute video about the park’s history, a granite-splitting demonstration by Halibut’s interpreter, and a one mile walk around the onsite former Babson Farm Quarry that details the physical aspects of quarrying, the history of building with natural stone in America, and Cape Ann’s unique geology. This program lasts approximately 90 minutes and is FREE to the public.