Chambers Island (English Wikipedia)

Door County's Emerald Treasure: A History of Peninsula State Park by William H. Tishler, Madison, Wisconsin: The University of Wisconsin Press, 2006, page 17
The Physical Geography of Wisconsin by Lawrence Martin, Bulletin Number XXXVI, Educational Series Number 4, Madison Wisconsin: Wisconsin Geological and Natural History Survey, 1916 Chapter IX: The Eastern Ridges and Lowlands, page 214

door.wi.us

Wisconsin DNR (November 27, 2009). "Door County Comprehensive Plan 2030: Chapter 4, Agricultural and Natural Resources; p. 20 of the pdf, Tables 4.15 and 4.16" (PDF). map.co.door.wi.us. Archived from the original (PDF) on January 13, 2020. Retrieved January 22, 2019.
Door County Web Map for Parcel 0140315312612C; the parcel is just inland from Hanover Shoal; for a delineation of the ordinary high water mark, see Survey of 0140315312612C by Lee E. Telfer for David V. Uihlein, June 8, 1976
Web-Map of Door County, Wisconsin ... For All Seasons!, Door County Land Information Office, Accessed September 7, 2019
Parcel Report for 0140315312611A from the GIS Map of Door County, Wisconsin and Survey document for 0140315312611A by Lee E. Telfer for Chambers Island Co, June 1, 1983

Claflin Powder Keg Bluff Recounted in 1894 Letter by A. G. Warren, Door County Advocate, Volume 101, Number 1, March 22, 1962, page 5
Thunderstreak Jets 'Bomb' Chambers Island in Mission, Door County Advocate, Volume 98, Issue 44, August 20, 1959, page 1
Big Chambers Island Plans Dashed by Great Depression by Harry Schuyler, Door County Advocate March 22, 1962, Volume 101, Number 1, page 6

Door County Web Map for Parcel 0140315312612C; the parcel is just inland from Hanover Shoal; for a delineation of the ordinary high water mark, see Survey of 0140315312612C by Lee E. Telfer for David V. Uihlein, June 8, 1976
Parcel Report for 0140315312611A from the GIS Map of Door County, Wisconsin and Survey document for 0140315312611A by Lee E. Telfer for Chambers Island Co, June 1, 1983

Door County's Islands by Sally Slattery, Door County Living, July 1, 2014
Vanished Links by Craig Sterrett, Peninsula Pulse, October 29, 2021 and Land Trust Preserves Land Near Chambers Island Marina by Craig Sterrett, Peninsula Pulse, October 21, 2021

Project 181: Door County Land Preservation, Fox River Natural Resource Trustee Council of the Lower Fox River & Green Bay, page 2

Catholic Diocese of Green Bay (15 January 2014). "Press release" (PDF). Retrieved January 19, 2014.

Flora and Vegetation of the Grand Traverse Islands (Lake Michigan), Wisconsin and Michigan by Emmet J. Judziewicz, The Michigan Botanist, Volume 40, Number 4, October 2001, pages 120–121

Lake Michigan-Huron: Monthly Lake-Wide Average Water Levels (1918 - Present), Great Lakes Environmental Research Laboratory, National Oceanic and Atmospheric Administration, accessed November 30, 2021

"Feature Detail Report for: Chambers Island". USGNIS. U.S. Department of the Interior. Retrieved 23 December 2020.

Map of Chambers Island and Fish Creek, Door County Land Use Services Dept, August 16, 2017 (Archived April 9, 2019)
Wisconsin DNR (November 27, 2009). "Door County Comprehensive Plan 2030: Chapter 4, Agricultural and Natural Resources; p. 20 of the pdf, Tables 4.15 and 4.16" (PDF). map.co.door.wi.us. Archived from the original (PDF) on January 13, 2020. Retrieved January 22, 2019.

Door County Web Map for Parcel 0140315312612C; the parcel is just inland from Hanover Shoal; for a delineation of the ordinary high water mark, see Survey of 0140315312612C by Lee E. Telfer for David V. Uihlein, June 8, 1976

E911 Addressing Maps, Chambers Island and Fish Creek, Door County Land Use Services Department, August 16, 2017, page 12; the park is shaded on the north side of the island

Wisconsin Statewide Parcel Map, Statewide Parcel Map Initiative Wisconsin Department of Administration and the Wisconsin State Cartographer's Office