| Lake Superior in North America, the largest freshwater lake by area, lies in the ancient and dormant Midcontinent Rift. |
| Midcontinent operates the largest and most resilient network in the region, a 4600 fiber-mile network delivering services to urban and rural areas within the three states. |
| Midcontinent selected Infinera for the speed, flexibility, and simplicity of Infinera Digital Optical Networks. |
| This layer appears to correspond to the Westphalian-Stephanian Series boundary of western Europe and the Desmoinesian-Missourian boundary in the midcontinent of North America. |
| Coeval cyclothems in the western midcontinent have better development of the marine portion of the sequence with fewer and thinner coals. |
| The Ordovician faunas described herein represent both the Midcontinent and Atlantic faunal realms. |
