71. Map showing altitude of the top of the Judith River Formation, Montana Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: Denver, Colorado : Open-File Services Section, Western Distribution Branch, U.S. Geological Survey Resource Type: Map Access & Availability: Loading
72. Map showing altitude of the top of the Fox Hills-Lower Hell Creek aquifer, Montana Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: Denver, Colorado : Open-File Services Section, Western Distribution Branch, U.S. Geological Survey Resource Type: Map Access & Availability: Loading
73. Map showing altitude of the top of the Eagle Sandstone, Montana Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: Denver, Colorado : Open-File Services Section, Western Distribution Branch, U.S. Geological Survey Resource Type: Map Access & Availability: Loading
74. Map showing altitude of the top of the "Dakota Sandstone," Montana Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: Lakewood, Colorado : Open-File Services Section, Western Distribution Branch, USGS Resource Type: Map Access & Availability: Loading
75. Map of the Carpinteria area and vicinity, Santa Barbara County, California : showing water-level contours for March 1982 Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: Sacramento, CA : Department of the Interior, United States Geological Survey, 1984 Resource Type: Map Access & Availability: Loading
76. Map of bedrock-surface topography in parts of the Paterson and Pompton Plains quadrangles, New Jersey Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: Reston, Virginia : Department of the Interior, U.S. Geological Survey, 1988 Resource Type: Map Access & Availability: Loading