Publisher: Interior, Geological Survey / Year: 1969 - Yale University Library GeoBlacklight Search Results

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1. Distribution of principal kinds of soils orders, suborders and great groups, National Cooperative Soil Survey Classification of 1967 / [cartographic material]

1969. 2018-03-16T16:35:56Z. 2020-08-14T18:08:39Z. United States. Soil Conservation Service. Interior, Geological Survey. English. cartographic image. Public. United States and United States.

2. Tectonic map of North America

1969. 2008-11-24T13:43:00Z. 2021-05-05T21:39:33Z. Geological Survey (U.S.). Interior, Geological Survey. English. cartographic image. Public. North America, North America., and Amérique du Nord.