Northern Prairie Wildlife Research Center
Figure 2. Sufficient lumber for one single compartment nest box is contained in a 1-inch x 12-inch x 12-foot board.
U.S. Department of the Interior |
U.S. Geological Survey
URL: http://www.npwrc.usgs.gov/resource/birds/nestbox/blusing1.htm
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Page Last Modified: Friday, 01-Feb-2013 19:37:51 EST
Menlo Park, CA [caww54]
