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MLRA 55A - Northern Black Glaciated Plains
North Dakota
32,240 km2 (12,450 mi2)
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Climate:
Average annual precipitation 375 to 450 mm. More than half of the precipitation falls during the growing season. Precipitation in winter is snow. Average annual temperature 3 to 4 C. Average freeze-free period--100 to 120 days.
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US Soil Survey |
US Landscapes
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