Geology of Lee County

Open File Report LXV – Geology of Chippewa County, Michigan - VerWiebe – Page 1 of 33 GEOLOGY OF CHIPPEWA COUNTY MICHIGAN

The earliest comprehensive work on the geological formations in this county was done by Carl Rominger. He published his findings in volume 1 of the Geological Survey of Michigan in 1873. It appears from a careful reading of this report that Rominger visited practically every one of the isolated outcrops on the mainland portion of the county, and a good many of those located on the islands which...

Surficial Geology of the Davenport West and Davenport East 7.5’ Quadrangles, Scott County, Iowa

Collaborative school planning and active schools: a case study of Lee County, Florida.

To contribute to the understanding of the links between urban planning and school siting and, ultimately, the impact of both on physical activity, we conducted a case study of Lee County, Florida. Our study examined the extent of state-mandated collaboration between the Lee County School Board and Lee County government (e.g., the Lee County Department of Planning, the Office of Smart Growth, an...

Quaternary and Silurian Geology at the Martin Marietta Cedar Rapids Quarry, Linn County, Iowa

A CONTRIBUTION TO ECONOMIC GEOLOGY GEOLOGY OF THE CHRISTMAS COPPER MINE GILA COUNTY, ARIZONA By NEJLS P. PETEKSON and EOGER W. SWANSON

The Christmas copper mine is in the Banner mining district, Gila County, Arizona. It is 8 miles north of Winkelman and 22 miles south of Globe. The mine was opened in 1905; to the end of 1943 it had produced about 55,340,000 pounds of copper. In 1946 it was operated under lease. The ore is high-lime fluxing ore, required by the smelter at Hayden. The ore produced during 1942 averaged 2.16 perce...