TY - RPRT TI - Mars chart (experimental), Meridiani Sinus Quadrangle; albedo markings from far-encounter pictures AU - Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey PY - 1972 DO - 10.3133/ofr72407 UR - https://pubs.usgs.gov/publication/ofr72407 ID - ofr72407 ER -