 | Indiana. Department of Geology and Natural Resources - 1874 - 530 páginas
...ditch. The remainder of the hill is protected by an artificial stone wall built in the same manner but not more than ten feet high. The elevation of...the side wall above the creek bottom is eighty feet. Within the artificial walls are a string of mounds which rise to the height of the wall and are protected... | |
 | E. T. Cox, State Geologist - 1874 - 524 páginas
...ditch. The remainder of the hill is protected by an artificial stone wall built in the same manner but not more than ten feet high. The elevation of...the side wall above the creek bottom is eighty feet. Within the artificial walls are a string of mounds which rise to the height of the wall and are protected... | |
 | Indiana. Geological Survey - 1874 - 526 páginas
...remainder of the hill is protected by an artificial stone wall built in the same manner but not move than ten feet high. The elevation of the side wall above the creek bottom is eighty feet. Within the artificial walls are a string of mounds which rise to the height of the wall and are protected... | |
 | 1880 - 918 páginas
...remainder of the hill is protected by an artificial stone wall, built in the same manner, but not mure than ten feet high. The elevation of the side wall above the creek bottom is 80 feet. Within the artificial walls is a string of mounds which rise to the height of the wall, and... | |
 | Stephen Denison Peet - 1892 - 454 páginas
...of about seventyfive feet above its base, the upper ten feet being vertical. The inside of the wall is protected by a ditch. The ridge on the south and...way, but not more than ten feet high. The elevation ot the side wall above the creek bottom is eighty feet. This artificial wall is supplemented by a string... | |
 | Stephen Denison Peet - 1892 - 470 páginas
...of about seventyfive feet above its base, the upper ten feet being vertical. The inside of the wall is protected by a ditch. The ridge on the south and southwest sides, or the broad end 6f the pear, is also protected by an artificial wall, built in the same way, but 'not more than ten... | |
 | JACOB PIATT DUNN - 1919 - 694 páginas
...ditch. The remainder of the hill is protected by an artificial stone wall built in the same manner but not more than ten feet high. The elevation of...the side wall above the creek bottom is eighty feet. Within the artificial walls are a string of mounds which rise to the height of the wall and are protected... | |
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... and fifty feet long. It is built along the slope of the hill and had an elevation of about seventyfive feet above its base, the upper ten feet being vertical. The inside of the wall is protected by a ditch. The remainder of the hill is protected by... 