Old time topographer at work with an alidade and plane table

By Communications and Publishing 1879 (approx.)

Old time topographer at work with an alidade and plane table. Location appears to be on a mountain.

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Detailed Description

Old time topographer at work with an alidade and plane table. Date and location unknown. Location appears to be on a mountain.

Sources/Usage

Public Domain.

Photo by USGS.

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