Sand. 1 Cubic Yard of Sand can weigh between 2,600 to 3,000 lbs. or up to one and a half tons approximately. 1 Ton of Sand will cover between 80 to 100 square feet at a 2 inch depth approximately.
Tellurium was discovered by Franz Joseph Muller von Reichstein in 1783 at Romania. Origin of name: from the Latin word  tellus  meaning  earth . Tellurium was discovered in gold ores by Franz Joseph MÎ´ller von Reichenstein, the chief inspector of mines in Trannsylvania in 1782.However tellurium was named by M. Klaproth, who isolated it in 1798, after he continued MÎ´ller von Reichenstein's work.ellurium was discovered in gold ores by Franz Joseph MÎ´ller von Reichenstein, the chief inspector of mines in Trannsylvania in 1782. However tellurium was named by M. Klaproth, who isolated it in 1798, after he continued MÎ´ller von Reichenstein's work.
The town, temporarily known as Columbia, was founded in 1878 and assigned a post office in 1880. The name Telluride is taken from an ore combining the element tellurium with a high gold content and some silver. Ironically, tellurium the ore does not occur in the immediate vicinity of Telluride the town.