Aquifer Characteristics Of Glacial Drift
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Aquifer Characteristics of the Glacial Drift map for Michigan was developed from the 1:500,000 maps of the Surface Formations of the Northern and Southern Peninsulas of Michigan (Martin, 1955). Four major aquifer units were defined for the glacial drift, and one unit (unit III) was subdivided into two sub-units for the Southern Peninsula. This data set was derived from the 1981 publication of the Hydrological Atlas of Michigan plate 26.
创建时间：
2020-07-31
