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Carte cataloguée
Grinnell
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Institution:
United States Geological Survey
Titre complet:
Grinnell
Année de l'image:
1984
Date de publication:
1989
Échelle de la carte:
1:100 000
Grinnell
1984
1:100k
Grinnell
1984
1:100k
Grinnell South
1979
1:24k
Malcom
1979
1:24k
Brooklyn
1968
1:24k
Montezuma
1979
1:24k
Searsboro
1979
1:24k
Barnes City
1968
1:24k
Grinnell North
1980
1:24k
Sheridan
1980
1:24k
Belle Plaine SW
1968
1:24k
L'histoire
