Massachusetts reported the source of the Merrimack as Lake Winnipesaukee, and set the boundary at three miles north of 43°40′12″N *which would put it at 43°43′12″N). Surveyors reckoned on the Maine coast this corresponded to Upper Clapboard Island in Casco Bay, just north of modern-day Portland, Maine. This meant Massachusetts' patent encompassed all the English colonial settlements in the Mason's lands (New Hampshire), and both Lygonia and Gorges' lands (western Maine, which ended around modern-day Bath, Maine). The Parliamentarian, Puritan colony of Massachusetts sent commissioners to the Anglican, Royalist colonies to enforce jurisdiction. Opponents were arrested and jailed until the leader of the resistance, Edward Godfrey, capitulated. Both Gorges' Province of Maine and Lygonia had been absorbed into the Massachusetts Bay Colony by 1658. The Massachusetts claim would be overturned in 1676, but Massachusetts again asserted control by purchasing the territorial claims of the Gorges' heirs. In 1669, the Territory of Sagadahock, between the Kennebec and St. Croix rivers (what is now eastern Maine) was granted by Charles II to his brother James, Duke of York. Under the terms of this grant, all the territory from the Saint Lawrence River to the Atlantic Ocean was constituted as Cornwall County, and was governed as part of the duke's proprietary Province of New York. At times, this territory was claimed by New France as part of Acadia. In 1674, the Dutch briefly conquered Acadia, renaming the colony New Holland. In 1686 James, now king, established the Dominion of New England. This political entity eventually combined all of the English colonial territories from Delaware Bay to the St. Croix River. The dominion collapsed in 1689, and a new patent was issued by William III of England and Mary II of England in 1691. This became effective in 1692 when the territory between the Piscataqua and the St. Croix (all of modern Maine) became part of the new Province of Massachusetts Bay as Yorkshire, a name which survives in present-day York County. Eastern border wars For English settlers, the east of the Kennebec River was known in the 17th century as the Territory of Sagadahock; however, the French included this area as part of Acadia. It was dominated by tribes of the Wabanaki Confederacy, which supported Acadia. The only significant European presence was at Fort Pentagouet, the French trading post first established in 1613 as well as missionaries on Kennebec River and the Penobscot