Flint, occasionally flintstone, is a sedimentary cryptocrystalline form of the mineral quartz, categorized as the variety of chert that occurs in chalk...

The Gunflint chert (1.88 Ga) is a sequence of banded iron formation rocks that are exposed in the Gunflint Range of northern Minnesota and northwestern...

County State-Aid Highway 12 (CSAH 12), also known as the Gunflint Trail, or County Road 12 (CR 12), is a 57-mile (92 km) paved roadway and National Scenic...

The Gunflint Range is an iron ore deposit in northern Minnesota in the United States and Northwestern Ontario, Canada. The range extends from the extreme...

Gunflint Lodge is one of the oldest and the best known lodges on the Gunflint Trail in Minnesota, United States. It is located on Gunflint Lake, on the...

Opisthokonta Animals Fungi Mesomycetozoea) Incertae sedis †Acritarchs †Grypania †Gunflint microbiota †Chitinozoan Meteora sporadica ¹traditional kingdoms excluded...

The Gunflint and Lake Superior Railroad (G&LS) is a defunct Minnesota logging railroad that operated in the Thunder Bay District of northwestern Ontario...

Vermilion Range, northeast of the Mesabi, in Saint Louis and Lake counties; Gunflint Range, in the extreme northern portion of Cook County and extending into...

Opisthokonta Animals Fungi Mesomycetozoea) Incertae sedis †Acritarchs †Grypania †Gunflint microbiota †Chitinozoan Meteora sporadica ¹traditional kingdoms excluded...

east side of the BWCAW, following the crest of the Superior Upland and Gunflint Range.: 9  The crossing of the divide at Height of Land Portage was an...