Geologic maps supply a wealth of information about the surface and shallow subsurface of the earth. The types of materials that are present in a location and th

"The story starts with William Smith's early years, from apprentice to surveyor for hire, and from publication of his groundbreaking 1815 geological strata map

Maps are the earth scientist's most fundamental tool. Accurate geological maps are the basis of geological work, in the field and in the laboratory. Students of