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...

Boundary Waters in Minnesota in 1927 and helped establish the Gunflint Lodge and the overall Gunflint Trail area. She was the author of two published books and...

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...

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...

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

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

kilometres north-west of Grand Marais, Minnesota near the end of the historic Gunflint Trail. The Port Arthur, Duluth and Western Railway was built to the mine...

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...