N. G. Bailey R. M. Batson V. L. Freeman M. H. Hait J.W. Head H. E. Holt K. A. Howard J.B. Irwin K.B. Larson W.R. Muehlberger V. S. Reed J. J. Rennilson G. G. Schaber D.R. Scott L. T. Silver R. L. Sutton G. E. Ulrich H. G. Wilshire E.W. Wolfe G.A. Swann 1972 The Apollo 15 lunar module (LM) landed at longitude 03°39'20'' E, latitude 26°26'00'' N on the mare surface of Palus Putredinis on the eastern edge of the Imbrium Basin. The site is between the Apennine Mountain front and Hadley Rille. The objectives of the mission, in order of decreasing priority, were description and sampling of three major geologic features—the Apennine Front, Hadley Rille, and the mare. application/pdf en National Aeronautics and Space Administration Preliminary geologic investigation of the Apollo 15 landing site chapter