Maps

	Aerial Map, 1967 (click for larger image)
	CERA land use pre-1968 (click for larger image)
	Aerial Map, 1974 (click for larger image)
	Aerial plus southwest, 1974 (click for larger image)
	Confluence of Rock Creek and the North Skunk River just east of C.E.R.A. Gravel Pit Lake near right margin. 1-26-74 (click for larger image)
	CERA habitat map and key, 1975 (click for larger image)
	First prairie burn, 1980 (click for larger image)

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