...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」
...The vesicles soonrupture, leaving a small erosion which is soon covered by a thin crustunderwhich the new formation of epithelium proceeds rapidly...
U.S. Department of Agriculture 「Special Report on Diseases of Cattle」
...TheMesa Verde land mass is the remnant of a plateau that erosion has dissectedinto a series of long, narrow mesas, joined at their northern ends, but otherwiseseparated by deep canyons...
Charles L. Douglas 「Comparative Ecology of Pinyon Mice and Deer Mice in Mesa Verde National Park, Colorado」
...The nests found were on bare, well-drained, sloping areas andwere protected from erosion by upslope clumps of sod or rocks...
John M. Legler 「Natural History of the Ornate Box Turtle, Terrapene ornata ornata Agassiz」
...Plate shows in a measure the extent of this erosion...
Cosmos Mindeleff 「The Repair Of Casa Grande Ruin, Arizona, in 1891」
...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」
...There is nothing whatever to indicate the age, but 200years would probably not be far from the mark, because erosion hasbeen slight since the mounds were piled up...
Gerard Fowke 「Archeological Investigations」
...In some mounds only a small portion near the marginhas been removed; in others the erosion has progressed to such anextent that observations were possible at varying distances, to andbeyond the center...
Gerard Fowke 「Archeological Investigations」
...From the north wall afacing of large stones extending down the surface of the dune for avertical distance of 15 feet has prevented erosion by the winds...
Gerard Fowke 「Archeological Investigations」
...Montezuma Well () is an irregular, circular depression,closely resembling a volcanic crater, but evidently, as Dr Hoffman wellpoints out, due to erosion rather than to volcanic agencies...
Jesse Walter Fewkes 「Archeological Expedition to Arizona in 1895」
...The great natural archway which covers thewhole pueblo protects it from wind and rain, and as a consequence,save on the front face, there are few signs of natural erosion...
Jesse Walter Fewkes 「Archeological Expedition to Arizona in 1895」
...Onthe very margin of this fissure stands a curious isolated rock that hassurvived the general erosion of the mesa...
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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