pl23_theb4147.jpg
![Building a corduroy road across White Oak Swamp theb4147.jpg Building a corduroy road across White Oak Swamp](https://s3.amazonaws.com/s3-east-testmedia-noaa.woc.noaa.gov/dam/Photos/legacy/pl23_theb4147.jpg)
Description
Building a corduroy road across White Oak Swamp. Coast Surveyors Frederic Dorrand J. W. Donn guided part of the Union Army across this swamp during theSeven Days.
Collection
Historic Coast & Geodetic Survey
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