Rapid Reconnaissance Sketching : Kessinger Publishing : 9781165659586 : 1165659581 : 10 Sep 2010 : Rapid Reconnaissance Sketching: Including Contouring (1912) is a book written by Clarence Osborne Sherrill that provides a comprehensive guide to drawing quick and accurate sketches of landscapes, buildings, and other objects in the field. The book is intended for military personnel, surveyors, engineers, and anyone else who needs to create quick sketches for reconnaissance purposes.The book covers the basics of sketching, including the use of pencils, pens, and other drawing materials, as well as the principles of perspective, shading, and composition. It also includes detailed instructions for contouring, a technique used to represent the three-dimensional shape of objects on a two-dimensional surface.Sherrill provides numerous examples of sketches and contour maps, along with detailed explanations of how they were created. He also includes tips and tricks for working quickly and effici