Question: How large is the park that the USRC Erie is stationed at?

full_context: Document 1: USRC Benjamin Rush: The USRC "Benjamin Rush" was a United States Revenue Cutter stationed at Presque Isle, Pennsylvania. It was built in 1827 in Erie and was launched on 13 September 1828. The USRC "Benjamin Rush" has often been confused with the USRC "Richard Rush", which was in service at the same time. The ship was named for the signer of the Declaration of Independence, Benjamin Rush.
Document 2: Erie Bluffs State Park: Erie Bluffs State Park is a 587 acre Pennsylvania state park in Girard and Springfield Townships, Erie County, Pennsylvania in the United States. The park is the largest undeveloped stretch of land overlooking Lake Erie in Pennsylvania. Erie Bluffs State Park is just north of Pennsylvania Route 5 near Lake City and 12 mi west of Erie. It is one of Pennsylvania's newest state parks.
Document 3: Allegheny Islands State Park: Allegheny Islands State Park is a 43 acre Pennsylvania state park in Harmar Township, Allegheny County, Pennsylvania in the United States. The undeveloped park is composed of three alluvial islands located in the middle of the Allegheny River northeast of Pittsburgh. The islands are just north of the boroughs of Oakmont and Plum, and southwest of Cheswick. Bridges for the Pennsylvania Turnpike (Interstate 76) and the Bessemer and Lake Erie Railroad Branch of the Canadian National Railway cross the Allegheny River at the middle island.
Document 4: Presque Isle State Park: Presque Isle State Park is a 3112 acre Pennsylvania state park on an arching, sandy peninsula that juts into Lake Erie, 4 mi west of the city of Erie, in Millcreek Township, Erie County, Pennsylvania, in the United States. The peninsula sweeps northeastward, surrounding Presque Isle Bay along the park's southern coast. It has 13 mi of roads, 21 mi of recreational trails, 13 beaches for swimming, and a marina. Popular activities at the park include swimming, boating, hiking, biking, and birdwatching.
Document 5: USRC Moccasin (1865): USRC "Moccasin" was a Revenue Cutter purchased from the U.S. Navy in 1865 and immediately assigned to duty at Norfolk, Virginia where future Chief of the Revenue Marine Service, Leonard G. Shepard, future Chief of the Revenue Marine Bureau reported on board as a newly commissioned Third Lieutenant as part of the commissioning crew. In May 1866 her homeport was moved to Wilmington, North Carolina where she served until being moved for repairs at the Philadelphia Navy Yard in 1869. After repairs she was assigned to Newport, Rhode Island from 1869 to 1872 and then transferred to Charleston, South Carolina. In 1881, she was taken to the Slater and Read Shipyard in New York City and was lengthened to 128 feet. On 10 April 1882 she was recommissioned as USRC "George Bibb" and moved to the Great Lakes. The "George Bibb" was named after the seventeenth Secretary of the Treasury, George M. Bibb. While winter quarters were at Ogdensburg, New York, she was also stationed at Duluth, Minnesota, Detroit, Michigan and Oswego, New York. After decommissioning in November 1890, she was sold in Buffalo, New York for $2500. She became the merchant vessel "Pentagoet" which foundered in November 1898.
Document 6: Kelleys Island State Park: Kelleys Island State Park is a 676 acre Ohio, United States, state park established in 1956 that makes up almost all of the northern third of Kelleys Island in Lake Erie. The park offers 6 mi of hiking, ruins of lime kilns and quarrying operations, a sand beach and a campground. The park cooperates with other agencies to manage the adjoining Glacial Grooves State Memorial, a set of rare glacial grooves, North Shore Alvar State Natural Area, a rare alvar habitat, and the North Pond Nature Preserve, a lake embayment usually separated from the lake by a sand bar.
Document 7: Erie Proving Ground: Erie Proving Ground was a former United States Army facility. Originally a camp to train gunners, the facility's foundation was due to the Spanish–American War's lack of skilled riflemen. The facility was located in Ottawa County, Ohio. The facility was established in 1918 originally as Camp Perry Proving Ground. The facility was at various times named Erie Ordnance Depot and Erie Army Depot. During World War II over 5,000 people ended up being employed there. The employed people were testing various weapon systems, armor, and such during World War II. During peacetime it served as a storage, maintenance, and repair facility. Erie Proving Ground closed in January 1967.
Document 8: Presque Isle Bay: Presque Isle Bay is a natural bay located off the coast of Erie, Pennsylvania, United States. Its 5.8 sqmi embayment is about 4.6 mi in length, about 1.8 mi across at its widest point, and an average depth of about 20 ft . The bay is at an elevation of 571 ft (174 m) above sea level. It is bounded on the north and west by a recurved peninsula that makes up Presque Isle State Park. On the south, the bay is edged by the urban Erie shoreline, which hosts the Port of Erie Marine Terminal, as well as an assortment of parks, tourist attractions and marinas such as the Erie Yacht Club. Fishing, water skiing, swimming, and boating, are a few examples of common activities among visitors who come to appreciate this natural bay for its sheltered waters and captivating views of Erie’s historic neighborhoods and landmarks. A small channel on the east provides a shipping lane into and out of Lake Erie. Cascade Creek, Garrison Run, Mill Creek, and surface runoff drain the lands of the Presque Isle Bay Watershed into the bay.
Document 9: USRC Erie: The USRC "Erie" was a United States Revenue Cutter stationed at Presque Isle in Erie, Pennsylvania. It replaced the USRC "Benjamin Rush" on the Great Lakes. Daniel Dobbins supervised the construction of and was in command of the USRC "Erie" from 1833 to 1841. Dobbins was placed back in command of the USRC "Erie" in 1845. USRC "Erie" was active in the prevention of the violation of United States neutrality during the Canadian Rebellions of 1837 and was placed under the control of the United States War Department in April 1839.
Document 10: Pymatuning State Park (Pennsylvania): Pymatuning State Park is a Pennsylvania state park covering 21122 acre in Conneaut, North Shenango, Pine, Sadsbury, South Shenango, West Fallowfield and West Shenango Townships, Crawford County, Pennsylvania, in the United States. Pymatuning State Park is the largest state park in Pennsylvania and contains the 17088 acre of Pymatuning Lake, three-quarters of which is in Pennsylvania and one-quarter of which is in Ohio. A three-mile (5 km) causeway extends between Pennsylvania and Ohio near the center of the lake. The lake provides fishing and boating year round. There are two natural areas, Clark Island (161 acre ) and Blackjack (725 acre ) in the park. The park is also home to the University of Pittsburgh's Pymatuning Laboratory of Ecology. Like all Pennsylvania state parks, admission to the Pymatuning State Park is free. The northern access for Pymatuning State Park can be reached from U.S. Route 6 and the southern access is reached from U.S. Route 322.
Document 11: USRC Jefferson Davis (1853): USRC "Jefferson Davis" was a United States Revenue Cutter Service topsail schooner of the "Cushing" class built in 1853. She was named for Jefferson Davis, then United States Secretary of War under President Franklin Pierce, and later president of the Confederate States of America.
Document 12: USRC James C. Dobbin (1853): USRC "James C. Dobbin" was a topsail schooner of the "Cushing"-class (1853) named after President Franklin Pierce's Secretary of the Navy, James Cochrane Dobbin. She was initially stationed at Wilmington, North Carolina, but in 1856 was moved to Savannah, Georgia. She was seized by a secessionist mob on 3 January 1861 at Savannah and the officers and crew were held in irons. After the local customs inspector protested the seizure, Joseph E. Brown, the governor of Georgia ordered the cutter and crew released. "Dobbin" was the only revenue cutter based in the South to escape to the North before the Civil War. On 26 April 1861, she was ordered to Philadelphia, Pennsylvania to receive heavier armament and then assigned to New York City. In 1863 "Dobbin" was reassigned to Portland, Maine where she remained until being ordered to Baltimore, Maryland in December, 1876 to be refitted as a training ship. The first eight cadets of the newly established Revenue Cutter School of Instruction reported aboard "Dobbin" and they set sail on their first practice cruise on 24 May 1877. One of the eight cadets was future Commandant of the Coast Guard, Worth G. Ross. The following summer, she was replaced by the newly constructed training cutter USRC "Salmon P. Chase" and "Dobbin" returned to service as a revenue cutter until she was sold in 1881.
Document 13: Erie War: The Erie War was a 19th-century conflict between American financiers for control of the "Erie Railway Company", which owned and operated the Erie Railroad. Built with public funds raised by taxation and on land donated by public officials and private developers, by the middle of the 1850s the railroad was mismanaged and heavily in debt. A cattle drover turned Wall Street banker and broker Daniel Drew at first loaned $2 million to the railroad, and then acquired control over it. He amassed fortune by skilfully manipulating the Erie railroad shares on the New York Stock Exchange. Cornelius Vanderbilt, who set his mind on building a railroad empire, saw multiple business and financial opportunities in railways and decided in 1866 to "corner the market on Erie" by silently scooping the Erie railroad stock. After succeeding, Vanderbilt permitted Drew to stay on the board of directors in his former capacity as a treasurer.
Document 14: Lake Erie Metropark: Lake Erie Metropark is a park in the Huron-Clinton system of metro parks. The park is a 1607 acre recreational facility located at the mouth of the Huron River on Lake Erie and consists of meadows, a marsh and lagoons. It has a three-mile (5 km) shoreline along the lake and is a popular bird-watching site. The Park has a wave action swimming pool, an 18-hole regulation golf course, the Marshlands Museum and Nature Center, boat launches and a marina. The children's play area, previously featuring a child-size town, is now under construction as a newer, more modern, playscape area is being built.
Document 15: History of Presque Isle: The History of Presque Isle Pennsylvania began when Presque Isle was created by the wave action of Lake Erie over the course of the 11,000 years that have passed since the last ice age.
ground_truth: 3112 acre