...It is amagnificent tract of bad-lands, very deeply eroded and carved, andhighly picturesque... 
William T. Hornaday 「Our Vanishing Wild Life」
...The walls of that organ become thickened and hard, thelining membranes become eroded, and conception can not take place...
U.S. Department of Agriculture 「Special Report on Diseases of Cattle」
...The route led down open ridges,then for about one half mile across a level, cultivated plateau,and then swung over the eroded banks near the lowermost pointof the plateau onto the level sage flats...
Terry A. Vaughan 「Mammals of the San Gabriel Mountains of California」
...Eleven of the twenty-eight skulls and lower jaws examined havebone eroded away from around the cheek-teeth exposing part ofthe roots...
Rollin H. Baker 「Mammals from Tamaulipas, Mexico」
...The walls where eroded at the ground level are to be underpinned withhard-burned brick, laid in good cement mortar and extending to a depthof at least 12 inches below the original ground level...
Cosmos Mindeleff 「The Repair Of Casa Grande Ruin, Arizona, in 1891」
...Furthermore,the outside of the northern wall of the middle room, above the secondroof level of the northern room, is very much eroded...
Cosmos Mindeleff 「Casa Grande Ruin」
...The walls of these were massive, but they are now verymuch broken down, and the adobe plastering is so eroded from themasonry that I regard them of considerable antiquity...
Jesse Walter Fewkes 「Archeological Expedition to Arizona in 1895」
...Examples of ancient paleography were, however, discovered ashort distance higher up the river on malpais rock, which is harder andless rapidly eroded...
Jesse Walter Fewkes 「Archeological Expedition to Arizona in 1895」
...The Glen, eroded in vertical silurian slate, is less than a mile long...
Ernest Favenc 「The Explorers of Australia and their Life-work」
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