Second Layer of Lead Bricks for Gamma-Ray Castle
(as viewed from above with front of castle at bottom)
Outer bricks are positioned vertically along outer edge of layer 1, forming a cavity for layer 3. Requires four 6" long and two 4" long bricks in addition to 40 standard-sized bricks.
For more information about this report contact: Stephen
L. Snyder or Joseph S. Duval
U.S. Department of the Interior, U.S. Geological Survey
URL: http://pubs.usgs.gov/of/2003/of03-029/HTML/Layer2.html
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Last modified: 22:57:03 Sat 12 Jan 2013
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