A significant amount of effort has been put in developing tools to interpret Ground Penetrating Radar signals obtained during surveys. Currently, skilled and experienced users do most of GPR image interpretation. They use experience in deciphering...
Soon after the atomic theory was established, it was found that the plant uses as sources of food not only the air and water, but also different constituents of the soil, dissolved in the soil moisture—the mineral nutrients. Ashes of different...
Industry; Sand; Bridges; Transportation; Rivers; Waterfronts; Big Four Bridge
Address: 129-133 River Road, Louisville, Kentucky. Sand is heaped in piles at the Ohio River Sand Company along the Ohio River. Industrial equipment, buildings and utility lines mark the property. A fuel company boat is docked along the river and...
All terrain vehicles--Automatic control; Motor vehicles--Automatic control; Intelligent control systems
When tracked vehicles traverse terrain such as sand, soil, or even concrete,
they may encounter a variance in density or viscosity of the medium that the
vehicle is traveling along. When this happens, one track begins to move faster or
slower...
Waterways; Canals; Louisville and Portland Canal (Ky.); Shipping
Bridge crane of Ohio River Sand Company on the right bank of the Portland Canal, Louisville, Kentucky. The bridge crane is trapezoidal with four thin triangular supports, and there is the impression that it has just walked across the water. On the...
Waves break against rocks and sand along the shore of Lake Michigan. Handwritten on album page by photographer Kate Matthews: "Wave Washed Sand". Inscribed on first and second pages of album: "Illustrations, by Kate Seston...
Industry; Sand; Bridges; Transportation; Rivers; Waterfronts; Big Four Bridge
Address: 129-133 River Road, Louisville, Kentucky. Sand is heaped in piles at the Ohio River Sand Company along the Ohio River, next to the buildings for Pittsburgh Fuel Company. Rows of railroad cars are parked next to the businesses. Three boats...
Sandy ground caves in steeply at the right of the photograph to form a cliff and pit of fine white sand. A wheelbarrow sits in front of the base of the pit. Bare trees form a background. In the foreground left of the pit is a pile of crooked sticks...
Stern wheelers; Tugboats; Steamboats; Launchings; Boat & ship industry; Howard Ship Yards and Dock Company
DUFFY, a stern-wheel towboat with steel hull (125 ft. x 25 ft. x 4.6 ft.), was built at Howard in 1921. Owned by Ohio River Sand Company in Louisville, Kentucky, DUFFY operated in the Louisville area. The Duffy became a familiar sight in...
River or creek running beneath a stone arch bridge with a mountain in the distance. Sand Springs, which was renamed Greylock Hall, was a hotel or resort at the site of mineral springs. Handwritten title: Grey lock [ ] from Adams. Text on left:...
The chemical analysis of atmospheric dust is of interest to two major groups, namely—the workers in industrial hygiene and the workers in the air cleaning and ventilating industries. The industrial hygienists, who are concerned with the...
A young woman, partially lying on her side among the rocks on the shore of Lake Michigan, is facing away from the water as she draws a heart in the sand. She is wearing a light-colored dress and a dark cape. Handwritten on album page in...
Waves break against rocks and sand along the shore of Lake Michigan on a rainy day. Handwritten on album page by photographer Kate Matthews: "A Rainy Day". Inscribed on first and second pages of album: "Illustrations, by Kate Seston...
Large crowd of people at the beach in swimwear and hats. Some sit on the shore while others stand at the edge of the water. Title: 11 In Surf, Sand and Sun, Atlantic City, N.J. Copyright statement: Copyright 1905 by H.C. White Co. N.Y. Text on...
Palms trees near the beach, overlooking the Atlantic Ocean. There is a bench and a small roofed structure in the background. Text printed on the verso reads, "Jacksonville Beach, Florida. Situated on the Atlantic Ocean eighteen miles east of...