A Treatise on the Plane-table and Its Use in Topographical Surveying: From the Coast Survey Report for 1865 [appendix No. 22]U.S. Government Printing Office, 1884 - 38 páginas |
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Página 49
... by showing whether it lies in regular parallel ridges and intervening valleys , isolated hills , gradually sloping plains , 4 . TOPOGRAPHICAL SURVEYING . 49 Sketching and plotting in the office from notes is objection- ...
... by showing whether it lies in regular parallel ridges and intervening valleys , isolated hills , gradually sloping plains , 4 . TOPOGRAPHICAL SURVEYING . 49 Sketching and plotting in the office from notes is objection- ...
Página 50
... hills , gradually sloping plains , or broken , abrupt , and rocky declivities , and whether par- tially or entirely open , or wooded , will suggest to the topographer the best method of operation , and enable him to form a general plan ...
... hills , gradually sloping plains , or broken , abrupt , and rocky declivities , and whether par- tially or entirely open , or wooded , will suggest to the topographer the best method of operation , and enable him to form a general plan ...
Página 51
... hills by the contrast between the fore slope ( on the lee side , ) which is steep , and the near slope ( on the windward side ) , which is gradual . Succes- sive surveys on sandy coasts , where close attention has been given to the ...
... hills by the contrast between the fore slope ( on the lee side , ) which is steep , and the near slope ( on the windward side ) , which is gradual . Succes- sive surveys on sandy coasts , where close attention has been given to the ...
Página 51
... hills over an extended and diversified area , and long practice and close observation only can give facility and accuracy in its execution . Various methods , more or less defective , in presenting a correct idea of elevations and ...
... hills over an extended and diversified area , and long practice and close observation only can give facility and accuracy in its execution . Various methods , more or less defective , in presenting a correct idea of elevations and ...
Página 54
... hill represented on the profile by D , D ; d ' is a barranca or dry broken gully , and c ' c ' a water course . It will be plain that if we were to suppose the water to rise to a height of twenty feet above the high - water linè , or to ...
... hill represented on the profile by D , D ; d ' is a barranca or dry broken gully , and c ' c ' a water course . It will be plain that if we were to suppose the water to rise to a height of twenty feet above the high - water linè , or to ...
Otras ediciones - Ver todas
The Plane-table and Its Use in Topographical Surveying Alexander Medina Harrison Vista completa - 1884 |
A Treatise on the Plane-Table and its use in Topographical Surveying: (From ... Vista completa - 1870 |
The Plane-table and Its Use in Topographical Surveying Alexander Medina Harrison Vista completa - 1869 |
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