Gravel Island (Wisconsin)

Gravel Island is an island in Lake Michigan. It is located in Ellison Bay, in the town of Liberty Grove, Wisconsin.[1][2] The Gravel Island National Wildlife Refuge is made up of Gravel Island, and nearby Spider Island. The island is uninhabited.[3]

Gravel Island
Gravel Island
Gravel Island
Geography
LocationDoor County, Wisconsin
Coordinates45°15′13″N 86°57′46″W
Area4 acres (1.6 ha)
Highest elevation581 ft (177.1 m)
Administration
United States

Climate
Gravel Island
Climate chart (explanation)
J
F
M
A
M
J
J
A
S
O
N
D
 
 
66
 
 
−4
−9
 
 
60
 
 
−8
−10
 
 
62
 
 
0
−4
 
 
112
 
 
3
0
 
 
86
 
 
9
3
 
 
77
 
 
13
10
 
 
96
 
 
18
16
 
 
73
 
 
19
16
 
 
109
 
 
17
14
 
 
119
 
 
10
7
 
 
110
 
 
6
5
 
 
66
 
 
4
1
Average max. and min. temperatures in °C
Precipitation totals in mm
Source: [4]

References
  1. "Gravel Island". Geographic Names Information System. Retrieved 22 September 2017.
  2. "Door County, Wisconsin map" (PDF). Wisconsin DOT. Retrieved 22 September 2017.
  3. "Gravel Island". U.S. Fish & Wildlife Service. Retrieved 22 September 2017.
  4. "NASA Earth Observations Data Set Index". NASA. Retrieved 30 January 2016.



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