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Filter: Subject of surveying
| Date: | |
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| Description: | A brass solar compass, invented by William Austin Burt and built by William J. Young. It was used to survey lands in Wisconsin and surrounding areas during... |
| Date: | 07 14 1958 |
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| Description: | This is a Tellurometer, a microwave surveying instrument. The operator is Don Reed, field man for Alster and Associates, Washington, D.C., which completed ... |
| Date: | 1982 |
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| Description: | A segment of the trunk of a pine bears the scars of a "blaze" carved with an ax and bearing the inscription: "XIX T. J. Cram, D. Houghton Aug 11, 1841." C... |
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