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2. Topsoil - Wikipedia

   en.wikipedia.org/wiki/Topsoil

   The United States loses almost 3 tons of topsoil per acre per year. [16] 1 inch (2.5 cm) of topsoil can take between 500 [17] and 1,000 years [18] to form naturally, making the rate of topsoil erosion a serious ecological concern. Based on 2014 trends, the world has about 60 years of topsoil left.

3. Soil loss tolerance - Wikipedia

   en.wikipedia.org/wiki/Soil_loss_tolerance

   In its early stages of development, soil loss tolerance rates were inconsistent because they were obtained based on rough estimates. From 1961 to 1962, several groups of soil in the United States were designated with T rates ranging from 2 to 6 tons per acre per year. The rate was subsequently adjusted to 1 to 5 tons per acre per year. [5]

4. Central Landfill - Wikipedia

   en.wikipedia.org/wiki/Central_Landfill

   Central Landfill is a double-lined landfill built on the site of a former quarry. [4]In 1980, in an attempt to limit out-of-state waste disposal at the Central Landfill, the Rhode Island Legislature passed a law to require that trucks bringing trash from other states have a contract with the Solid Waste Management Corporation, without requiring the company to grant such contracts. [6]

5. Structural Soil - Wikipedia

   en.wikipedia.org/wiki/Structural_Soil

   In 1999, AMEREQ signed a licensing agreement with Cornell University and currently holds the patent rights to Cornell’s CU-Structural Soil Urban Tree Planting Mix. It is marketed as CU-Structural Soil for quality control and is produced by a network of qualified AMEREQ-licensed companies. CU-Structural Soil on average costs $35–$42 per ton ...

6. Soil in the United States - Wikipedia

   en.wikipedia.org/wiki/Soil_in_the_United_States

   Soils are the product of climate, organisms and topography, acting on parent (geologic) material over time. Thus the great diversity of geologic materials, geomorphic processes, climatic conditions, biotic assemblages and land surface ages in the United States is responsible for the presence of an enormous variety of mineral and organic soils.

7. Aluminum Can Prices: Are They Still Worth Collecting?

   www.aol.com/aluminum-prices-much-yours-worth...

   Price Per Pound of Aluminum. State. Price Per Pound of Aluminum. Alabama. $0.49. Alaska. $0.23. Arizona. $0.40. ... Tin scrap in the U.S. generally goes for $110 per ton on today's open market ...