 | United States. Office of Experiment Stations - 1893 - 1246 páginas
...the relative amount of sand and clay contained in the soil resulting from the disintegration of rocks will depend upon the kind of rock, that is, upon the...thorough and detailed geological map of the State Bhonld answer for a soil map. Any one familiar with the texture of the soil, or kind of soil formed... | |
 | United States. Weather Bureau - 1892 - 762 páginas
...amount of sand and clay contained in the soil resulting from the disintegration of these rocks, in situ, will depend upon the kind of rock, that is, upon the minerals of which it was composed. The soils of northern-central Maryland have been formed from the disintegration, in situ,... | |
 | United States. Office of Experiment Stations - 1893 - 1232 páginas
...the relative amount of sand and clay contained in the soil resulting from the disintegration of rocks will depend upon the kind of rock, that is, upon the...kind of soil formed by the disintegration of granite, gnbbro, and the different kinds of limestones, sandstones, and shales, should be able to tell by a... | |
 | United States. Office of Experiment Stations - 1893 - 1142 páginas
...the relative amount of sand and clay contained in the soil resulting from the disintegration of rocks will depend upon the kind of rock, that is, upon the...for a soil map. Any one familiar with the texture of tho soil, or kind of soil formed by the disintegration of granite, gabbro, and the different kinds... | |
| |
The relation of geology to agriculture (pp. 261-264). — General statements regarding the geological formations in Maryland, bringing out the fact that " the texture or the relative amount of sand and clay contained in the soil resulting from the disintegration... 