Skeletal tower (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Skeletal tower" in English language version.

refsWebsite

Global rank English rank

4books.google.com

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1,079^th place

789^th place

books.google.com

Apostle Islands National Lakeshore, General Management Plan, Wilderness Management Plan: Environmental Impact Statement. 2011.
Hyde, Charles K. (1995). The Northern Lights: Lighthouses of the Upper Great Lakes. Wayne State University Press. ISBN 978-0-8143-2554-4.
Office, United States Hydrographic (1908). Lake Supplement: H.O. Nos. 108A, 108B, 108C, 108D. 1908. U.S. Government Printing Office.
List of Beacons, Buoys, Towers, and Other Day-marks in the Sixth Light-House District Embracing the Sea-coasts, Harbors, Sounds, and Rivers from New River Inlet, North Carolina, Southward Along the Coast to Just North of Jupiter Inlet, Florida, and Including the Indian River: 1888 (1889). U.S. Government Printing Office. 1889.

ibiblio.org

"Onshore Skeletal Lighthouses". www.ibiblio.org. Retrieved 2023-02-13.