"Subsoil" Quotes from Famous Books
 ... countries of abundant rainfall, a great distinction exists between the soil and the subsoil. The soil is represented by the upper few inches which are filled with the remnants of decayed vegetable matter and modified by plowing, harrowing, and other cultural operations. The subsoil has been profoundly modified by the action of the heavy rainfall, which, in soaking ...
— Dry-Farming • John A. Widtsoe
... minutes the detective and the volcanologist joined him in the cavern. The top surface of the ground was rolled up into waves like the sea. The sides of the hole were almost sheer. The naked rock was exposed for thirty feet. Above the rock could be seen the subsoil, and then the layer of top soil and vegetation. Dr. Bird was carefully ...
— Astounding Stories, May, 1931 • Various
... by removing the surface-soil to the depth of about three feet, a work of no small labour, until the subsoil, or "pay-dirt," was reached. Of this they dug out a small quantity, and washed it; put the produce of black sand and gold into leathern bags, and then, digging out another panful, washed it as before. Thus they laboured till ...
— The Golden Dream - Adventures in the Far West • R.M. Ballantyne
... remains. The huge banks of rock salt often met with in the vicinity of sulphur mines, and which in some places stretch for a distance of several miles, seem to indicate that the sea has worked its way into the subsoil. Fish and insects, which are frequently found in strata of tripoli, which lie under sulphur beds, induce the belief that lakes ...
— Scientific American Supplement, No. 647, May 26, 1888 • Various
... is applied and slow combustion goes on, most of the products of the burning being retained in the ground, much of the soil is incinerated. The final preparation is effected by the men digging up the subsoil round the mound, passing each hoeful into the left hand, where it pulverizes, and is then thrown on to the heap. It is thus virgin soil on the top of the ashes and burned ground of the original heap, very clear of weeds. At present ...
— The Last Journals of David Livingstone, in Central Africa, from 1865 to His Death, Volume I (of 2), 1866-1868 • David Livingstone
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