Maps showing general Quaternary age surface geology of Minnesota and distribution of uranium, thorium and potassium-40 in surface sediments, scale 1:3,168,000. Electronic file available at: ftp://mgsftp2.mngs.umn.edu/map_catalog/pdf/umn22480.pdf
View of the rising sea smoke at sunrise. Sea smoke is a cloud over the sea, which could otherwise be called fog, and is usually formed when very cold air moves over warmer water. We see this phenomena all the time when watching Lake Superior. Photographers capture it with delight. The Blatnik or High Bridge is in the distance behind the Aerial Bridge. It is also known as the Duluth-Superior High Bridge or Blatnik High Bridge or Interstate Bridge. Efforts to secure a toll-free bridge between Duluth and Superior started as early as the 1930s. Other unsuccessful attempts were made in 1940 and 1948. In 1953, approval was given for a new toll bridge, pressure from both cities demanded a toll-free unit. When Congress adopted a new system of interstate and defense highways, the bridge became part of that system and was eligible for 90% federal financing - elevating the need for having it be a toll bridge. In 1956 construction plans were delayed by disagreement over clearance height. It had been set at 100 ft. but, after much debate, increased to 120. Construction started Nov. 28, 1958, on what was the largest single highway project ever undertaken jointly by Minnesota and Wisconsin. About 1.6 million hours were worked by construction employees and 100,000 by engineering and inspection personnel. Three workmen lost their lives in the three years of construction. The bridge was formally dedicated on Saturday, Dec. 2, 1961. Mayor Lawrence Hagen of Superior, E. Clifford Mork, Duluth Mayor. It was formally named to honor John A. Blatnik Sept. 24, 1971. To the right is a hotel called Comfort Suites at 408 Canal Park Drive. Street names were changed. South First Avenue East became Canal Park Drive. Harbor Drive was South Fifth Ave West. The first section, a half-mile, of the Downtown Lakewalk was completed in 1988 from the ship canal to the corner of the lake. By 1994 it extended four miles east.
Contributing Institution:
University of Minnesota Duluth, Kathryn A. Martin Library, Northeast Minnesota Historical Collections
The Bergetta Moe Bakery, 716 East Superior Street, built about 1875, has evolved over the years. Here it has green striped awnings and is the Superior Lake Gifts shop. Earlier, from about 1970 to 1989, this building held the contemporary design store called the October House. In the lower level was Martin Gould's, the owner's, architectural office. Joyce and Martin Gould also owned the brick and stone building next door. Gould made the lower level into a tiny apartment. The frame building was listed on the National Register of Historic Places in June 1976. In about 1989 Martin and Joyce Gould sold both buildings to Mark Marino. Mr. Marino added to the frame building. The Portland Malt Shoppe sells ice cream seasonally. The Malt Shoppe building was built In 1921 as a gas station for Northwestern Oil Company owned by Harry and Edith Rogers. The Rogers managed the gas station for many years. Martin and Joyce Gould, owners of the October House, had a retail dress shop featuring Finnish Marimekko garments in the building. They named their store Portland Village. Portland comes from the plat name of the neighborhood. The Goulds sold the building in 1989, and it became the Portland Malt Shoppe. These buildings are a few steps East of the Fitger's complex, a brewery turned "mall,"and a destination for residents and tourists especially in the summer. The Lakewalk is behind and below these buildings. At the middle right of the photograph are buildings at Canal Park. The Interstate or Blatnik or High Bridge is in the distance. One bridge, many descriptive names. It links Duluth and Superior, Wisconsin, thus, interstate.
Contributing Institution:
University of Minnesota Duluth, Kathryn A. Martin Library, Northeast Minnesota Historical Collections
Aerial photograph of Lake Minnetonka with names added for towns and villages, lakes and bays, points and islands. Scale is 1" equals 4.65 miles. Advertisement for Harry Smith, Burnett Realty, contains his photo and contact information, date of photography April 1989.
An aerial view of Pine River showing the new water tower on the left and the older water tower on the right. Some of the town's most iconic buildings have been removed by this time.
Aeromagnetic anomaly (total magnetic intensity anomaly (relative to the earth's magnetic field, interpretation of magnetic data collected from airborne surveys, the map colors indicate the distribution and concentration of magnetic minerals (primarily iron-bearing) within the upper crust of the earth) map of Minnesota, scale 1:500,000. Electronic file available at: ftp://mgsftp2.mngs.umn.edu/map_catalog/pdf/umn22632.pdf
Total magnetic intensity anomaly, contour, scale 1:100,000.Interpretation of magnetic data collected from airborne surveys, the map contours (lines of equal magnetic intensity) indicate the distribution and concentration of magnetic minerals (primarily iron-bearing) within the upper crust of the earth. Electronic file available at: ftp://mgsftp2.mngs.umn.edu/map_catalog/pdf/umn21110.pdf
Total magnetic intensity anomaly, contour, scale 1:100,000.Interpretation of magnetic data collected from airborne surveys, the map contours (lines of equal magnetic intensity) indicate the distribution and concentration of magnetic minerals (primarily iron-bearing) within the upper crust of the earth. Electronic file available at: ftp://mgsftp2.mngs.umn.edu/map_catalog/pdf/umn21114.pdf
Total magnetic intensity anomaly, contour, scale 1:100,000.Interpretation of magnetic data collected from airborne surveys, the map contours (lines of equal magnetic intensity) indicate the distribution and concentration of magnetic minerals (primarily iron-bearing) within the upper crust of the earth. Electronic file available at: ftp://mgsftp2.mngs.umn.edu/map_catalog/pdf/umn21118.pdf
Total magnetic intensity anomaly, contour, scale 1:100,000.Interpretation of magnetic data collected from airborne surveys, the map contours (lines of equal magnetic intensity) indicate the distribution and concentration of magnetic minerals (primarily iron-bearing) within the upper crust of the earth. Electronic file available at: ftp://mgsftp2.mngs.umn.edu/map_catalog/pdf/umn21116.pdf
Total magnetic intensity anomaly, contour, scale 1:100,000.Interpretation of magnetic data collected from airborne surveys, the map contours (lines of equal magnetic intensity) indicate the distribution and concentration of magnetic minerals (primarily iron-bearing) within the upper crust of the earth. Electronic file available at: ftp://mgsftp2.mngs.umn.edu/map_catalog/pdf/umn21113.pdf
Total magnetic intensity anomaly, contour, scale 1:100,000.Interpretation of magnetic data collected from airborne surveys, the map contours (lines of equal magnetic intensity) indicate the distribution and concentration of magnetic minerals (primarily iron-bearing) within the upper crust of the earth. Electronic file available at: ftp://mgsftp2.mngs.umn.edu/map_catalog/pdf/umn21112.pdf
Total magnetic intensity anomaly, contour, scale 1:100,000.Interpretation of magnetic data collected from airborne surveys, the map contours (lines of equal magnetic intensity) indicate the distribution and concentration of magnetic minerals (primarily iron-bearing) within the upper crust of the earth. Electronic file available at: ftp://mgsftp2.mngs.umn.edu/map_catalog/pdf/umn21117.pdf
Total magnetic intensity anomaly, contour, scale 1:100,000.Interpretation of magnetic data collected from airborne surveys, the map contours (lines of equal magnetic intensity) indicate the distribution and concentration of magnetic minerals (primarily iron-bearing) within the upper crust of the earth. Electronic file available at: ftp://mgsftp2.mngs.umn.edu/map_catalog/pdf/umn21111.pdf
Total magnetic intensity anomaly, contour, scale 1:100,000.Interpretation of magnetic data collected from airborne surveys, the map contours (lines of equal magnetic intensity) indicate the distribution and concentration of magnetic minerals (primarily iron-bearing) within the upper crust of the earth. Electronic file available at: ftp://mgsftp2.mngs.umn.edu/map_catalog/pdf/umn21115.pdf
Total magnetic intensity anomaly (relative to the earth's magnetic field), color coded, scale 1:250,000. Interpretation of magnetic data collected from airborne surveys, the map colors indicate the distribution and concentration of magnetic minerals (primarily iron-bearing) within the upper crust of the earth. Electronic file available at: ftp://mgsftp2.mngs.umn.edu/map_catalog/pdf/umn21108.pdf