Islands in lake Winnip that not on the chart.

[fun spot fan]

I can not find these Island on the chart of Lake Winnipesaukee can someone help me out on where they are? Here are the Islands =Brew I,Children's I;Gem I, Gichigum I, Leroy I, Little Blueberry I, Little Vixen I, Loan's I, North Pasture I, October Eve I, Outlaw I, over Night I, pixie Rock I, Quarter Mile I, Racoon I, Small I, and Wentworth I.