Filters: Tags: Campbell, M.R. (X)

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Canyon of North Platte River. Platte County, Wyoming. 1901. Canyon of North Platte River west of Fairbank, looking eastward; showing the massive quartzite at the base of the Hartville formation resting unconformably on the bedded rocks of the Guernsey formation. Platte County, Wyoming. 1901. Figure 4 in U.S. Geological Survey. Folio 91. 1903. Categories: Image; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Campbell, M.R., Platte County, Wyoming, photo print Steeply tilted rocks of San Pedro Point. San Mateo County, California. 1913. Steeply tilted rocks of San Pedro Point: San Mateo quadrangle, shales and sandstones of Martinez formation. San Mateo County, California. 1913. Plate 1 in U.S. Geological Survey. Folio 193. 1914. Categories: Image; Tags: California Folio 193, Campbell, M.R., Glacier National Park, Professional Papers, photo print