Report on the trial of plows held at Utica, Sept. 8, 1867, with a supplement showing the results of a special trial at Brattleboro, to determine several disputed questions respecting the action of the plow.

Mode of access: Internet.

Raised pavement markers at hazardous locations. Final report.

Mode of access: Internet.

Evaluation of urethane snow plow blades as an alternative to rubber blades. Final report.

Virginia Department of Transportation, Richmond

Evaluation of raised snowplowable pavement markers. Final report.

Federal Highway Administration, Office of Research, Washington, D.C.

Snowplowable raised reflective pavement markers at hazardous locations in New Jersey.

Federal Highway Administration, Implementation Division, Washington, D.C.

Evaluation of snowplowable raised reflective pavement markers in New Jersey. Final report.

Federal Highway Administration, Washington, D.C.

Grooved stripes for plow-resistant wet-night lane delineation. Phase II. Recessed reflector delineation. Final report.

Federal Highway Administration, Office of Research and Development, Washington, D.C.

Der Pflung der Anhäufler und der Wühler.

Mode of access: Internet.

A letter on the construction and use of the improved foot ploughmicroform /

Goldsmiths'-Kress no. 12602.2-1, suppl.

Horse-hoeing husbandry; or, an essay on the principles of vegetation and tillage : designed to introduce a new method of culture, whereby the produce of land will be increased, and the usual expence lessened : together with accurate descriptions and cuts of the instruments employed in it /

Goldsmiths'-Kress no. 08603.

Carsonville, Michigan - spring, 1919

verso: The horse-drawn implement is a snow-ice plow. Only the brick building (far right) still stands (1954).