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Concor' Drill Rig (Scale models, testing, and oddities)

Concor' Drill Rig (Scale models, testing, and oddities)

Date: 1938-03-08
Creator: United States. Army. Corps of Engineers.
Subjects: concrete (evaluation);scale models, testing, and oddities
Location: Washington (State)

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Leaflet Tiles © Esri — Source: Esri, DeLorme, NAVTEQ, USGS, Intermap, iPC, NRCAN, Esri Japan, METI, Esri China (Hong Kong), Esri (Thailand), TomTom, 2012
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