Iron River, MI Lot of Vintage Maps Hagerman Property Bouguer Gravity

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Iron River, MI Lot of Vintage Maps Hagerman Property Bouguer Gravity:
$3.99

Lot of 3 large, 30+ inches square, , Bouguer gravity maps of the Hagerman Property explored by the Hanna Mining Company dated 1964. Included are 6 sheets of drill hole information for section 4 and 33 of T43N-R35W. Didn\'t look up the location. These measure approximately 23\" x 11\". All are in good condition with folds in the larger maps. Will be shipped rolled.