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Glass Negative 5x7

00-1981B.N

Rocky Mountain Creeper nest

[David E. Shrader, Unknown]

Glass Negative 5x7

00-1982B.N

Rocky Mountain Creeper nest …

[Unknown, David E. Shrader]

Glass Negative 5x7

00-1989B.N

White-throated Swift nest an …

[Unknown, David E. Shrader]

Glass Negative 5x7

00-1990B.N

White-throated Swift nest an …

[Unknown, David E. Shrader]