 | Geological Survey (U.S.) - 1897 - 472 Seiten
...consists of hollow wroughtiron posts, 4 feet G inches in length and 3J inches in outer diameter, u _J o split at the bottom and expanded to 12 inches, so...of the post and its being maliciously pulled out of ground. The iron is heavily coated with hot asphalt, and over the top of the post is riveted a bronze... | |
 | 1904 - 976 Seiten
...masonry or rock is not accessible, consists of hollow wrought-iron posts, -i feet in length and 3£ inches in outer diameter, split at the bottom and...out of the ground. The iron is heavily coated with hot asphalt, and over the top of the post is riveted a bronze tablet similar to that first described.... | |
 | 1906 - 1010 Seiten
...where masonry or rock is not accessible, consists of a hollow wrought-iron post 4 feet in length and 3J inches in outer diameter, split at the bottom and...maliciously pulled out of the ground. The iron is heavily coaled with asphalt, and over the top of the post is riveted a bronze tablet similar to that described... | |
 | 1910 - 884 Seiten
...wrought-iron post, 4 feet in length and 3£ inches in outer diameter, split at the bottom and expanded to 10 inches, so as to. prevent both the easy subsidence of the post and the malicious pulling of it out of the ground. These posts are generally sunk 3 feet in the ground,... | |
 | New York (State). State Engineer and Surveyor - 1904 - 426 Seiten
...where masoury rock is not accessible consists of hollow wrought iron posts, 4 feet in length and 3| inches in outer diameter, split at the bottom and...out of the ground. The iron is heavily coated with hot asphait, and over the top of the post is riveted a bronze tablet similar to that first deseribed.... | |
 | Geological Survey (U.S.) - 1904 - 258 Seiten
...masonry or rock is not accessible, consists of hollow wrought-iron posts, 4 feet in length and 3£ inches in outer diameter, split at the bottom and...out of the ground. The iron is heavily coated with hot asphalt, and over the top of the post is riveted a bronze tablet similar to that first described.... | |
 | Henry Gannett - 1904 - 522 Seiten
...where masonry or rock is not accessible, consists of hollow wrought-iron posts, 4 feet in length and 3| inches in outer diameter, split at the bottom and...maliciously pulled out of the ground. The iron is heavily detic coordinates of from 300 to 400 primary and secondary points per annum. The positions of all points... | |
 | 1905 - 604 Seiten
...marks are of two types : i. Iron posts. These are hollow wrought iron posts 4 ft. 6 in. in length, 3.5 inches in outer diameter, split at the bottom and expanded to 12 inches, to prevent the easy subsidence of the *Bnll. US Coast and Geod. Survey, November, 1901. t Ann. Kept.... | |
 | Louisiana Geological Survey - 1905 - 588 Seiten
...marks are of two types : i. Iron posts. These are hollow wrought iron posts 4 ft. 6 in. in length, 3.5 inches in outer diameter, split at the bottom and expanded to 12 inches, to prevent the easy subsidence of the * Bull. US Coast and Geod. Survey, November, 1901. f Ann. Rept.... | |
 | Geological Survey (U.S.) - 1906 - 124 Seiten
...where masonry or rock is not accessible, consists of a hollow wrought-iron post 4 feet in length and 3J inches in outer diameter, split at the bottom and...the ground. The iron is heavily coated with asphalt, und over the top of the post is riveted a bronze tablet similar to that described above. 7 The third... | |
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... inches in outer diameter, split at the bottom and expanded to 12 inches, so as to prevent both the easy subsidence of the post and its being maliciously pulled out of the ground. The iron is heavily coated with asphalt, and over the top of the post... 
