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73. Geologia de las inmediaciones de Morococha

Maps University Of Minnesota Public content
1861. Raimondi, Antonio, 1826-1890. Shows types of rock and location of mines and mineral processing plants. Relief shown by hachures. 42 x 47 centimeters Scale approximately 1:99,000... Sociedad Geografica de Lima : (Lima).

74. Global GIS : Airfields

Datasets Harvard University Restricted content
1997. United States. National Imagery and Mapping Agency. This datalayer is a point coverage representing airports and airfields worldwide and was published as part of the USGS Global GIS : global coverage... American Geological Institute.

75. Global GIS : Aqueducts, canals, flumes, penstocks

Datasets Harvard University Public content
1997. United States. National Imagery and Mapping Agency. This datalayer is a polyline coverage representing major roads worldwide and was published as part of the USGS Global GIS : global coverage databas... American Geological Institute.

76. Global GIS : Bailey equal-area grid

Datasets Harvard University Public content
2003. Environmental Systems Research Institute (Redlands, Calif.). This dataset is a polyline coverage representing the Bailey Equal-Area Grid. The Bailey Equal-Area Grid is an area-reference grid that uses meridia... American Geological Association.

77. Global GIS : Country political boundaries

Datasets Harvard University Restricted content
1997. United States. National Imagery and Mapping Agency. This datalayer is a polygon coverage representing country political boundaries worldwide and was published as part of the USGS Global GIS : global ... American Geological Institute.

78. Global GIS : Drainage Basins

Datasets Harvard University Public content
2003. EROS Data Center, Geological Survey (U.S), American Geological Institute, and Environmental Systems Research Institute (Redlands, Calif.). This datalayer is a polygon coverage representing hydrologic drainage basins located worldwide. The data displayed here is derived from the HYDRO 1... American Geological Institute.

79. Global GIS : Earthquake epicenters (1973-2003)

Datasets Harvard University Public content
1973. American Geological Institute, Geological Survey (U.S.), Environmental Systems Research Institute (Redlands, Calif.), National Earthquake Information Center, and National Geophysical Data Center. This datalayer is a point coverage representing earthquake epicenters (1973 through March, 2003). Historical data for this layer were derived from:... American Geological Institute.
2003. United States. National Geospatial-Intelligence Agency, Geological Survey (U.S.), American Geological Institute, and Environmental Systems Research Institute (Redlands, Calif.). This datalayer is a point coverage representing a gazetteer of non-populated place features located between the Greenwich meridian (0 degrees) and ... American Geological Institute.