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Album caption: Nehalem Falls damsite viewed upstream from the road bridge. Oregon. 1937. ( photo by A. M. Piper ) Published as figure 8 in U. S. Geological Survey. Water-supply paper 1610-C. 1965.
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Album caption and index card: Oregon, Linn Co., Middle Santiam River at Green Peter damsite. Sept. 6, 1929.
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Album caption: Oregon, Clackamass Co., Boring qd. Clackamas River and north abutment of Clear Creek damsite in the NW. ¼ SW. ¼ sec. 18, T. 2 S., R. 3 E. Aug. 9, 1929. Index card: North abutment of Clear Creek damsite.
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Album caption: Four erosion stages in Tertiary sediments on Burnt River 31.9 miles southwest of Baker. View looking southward, creek flows from right to left. Recent block tilting in the region is shown by local upstream slope of the lowest terrace, a constructional gravel feature. Baker Cunty, Oregon. October 4, 1928.
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Album caption: Sinkhole topography on State Highway No. 13, 3 miles NE of Clarksville. Roberston County, Tennesee. September 3, 1927. No index card.
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