...What had so smoothed them I do not know, for they seemed to be ill-placed for water erosion... 
Stewart Edward White 「African Camp Fires」
...Undermined by the erosion of the springfloods, a section of this bank suddenly gave way, and with it wentBaree and half the pack...
James Oliver Curwood 「Baree, Son of Kazan」
...Ludlow Cave, in the caprock on the southeastern edge of the North CaveHills, was formed by water erosion, resulting in numerous pockets andcrevises in the ceiling and walls...
Kenneth W. Andersen 「Mammals of Northwestern South Dakota」
...In thenext few years heavy erosion occurred in the upland fields, and thesoil carried downstream was deposited in the pond...
Henry S. Fitch 「The Forest Habitat of the University of Kansas Natural History Reservation」
...Asfour years have elapsed since the completion of the work, it should bepossible now to determine whether atmospheric erosion has played amaterial part in the work of destruction...
Cosmos Mindeleff 「The Repair Of Casa Grande Ruin, Arizona, in 1891」
...External contour isof course a product of erosion, yet similarity of contour does notnecessarily indicate either equal erosion or equal antiquity...
Cosmos Mindeleff 「Casa Grande Ruin」
...A "rock shelter," or "shelter cave," is a room or recess formed byatmospheric erosion in the face, usually at the base, of a cliff...
Gerard Fowke 「Archeological Investigations」
...Near the rear of the cave erosion of the lower part of the easternwall formed a rudely triangular recess or cavity 30 feet long by 7feet deep at the widest part...
Gerard Fowke 「Archeological Investigations」
...Further erosion has in several places carried away the limestone fromaround these intrusive masses, allowing them to project above thepresent surface...
Gerard Fowke 「Archeological Investigations」
...The hills and valleys were asthey now exist; the erosion has been very slight as compared with whathas taken place since the loess was brought above the water, to whichit owes its origin...
Gerard Fowke 「Archeological Investigations」
...The antiquityof these ponds is denoted by the amount of silt partially fillingthem, brought down from the mountains by erosion of the soil...
Gerard Fowke 「Archeological Investigations」
...The hand of man and the erosion of the elements have dealt harshlywith this portion of Honanki, for not a fragment of timber now remainsin its walls...
Jesse Walter Fewkes 「Archeological Expedition to Arizona in 1895」
... and illustrate a curious employment of potteryfragments on a mud-plastered wall and on the base of a chimney toprotect the adobe coating against rapid erosion by the rains...
Victor Mindeleff and Cosmos Mindeleff 「A Study of Pueblo Architecture: Tusayan and Cibola」
...This is a neat, finely-decussated, concolorous species, with the upperwhorls nodulous from erosion, as in Vivipara praerosa, Gerst...
John McDouall Stuart 「Explorations in Australia, The Journals of John McDouall Stuart」
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