Here are entered works on the unconsolidated mineral and organic sediments of the present land masses. Works on the accumulated minerals and organic remains on the present ocean floor are entered under Marine sediments. --subdivision Effect of sediments on under individual animals and groups of animals, and individual plants and groups of plants, e.g., Fishes--Effect of sediments on; Aquatic plants--Effect of sediments on
Here are entered general and theoretical works. Works on the submarine geology of an individual body of water are entered under Geology--[local subdivision].
Here are entered general works on urban geology. This heading may be divided geographically by names of individual regions, countries, states, etc. Works on geology in specific cities or other urban areas are entered under the heading Geology with the appropriate geographic subdivision.