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2. Structural Soil - Wikipedia

   en.wikipedia.org/wiki/Structural_Soil

   Structural Soil is a medium that can be ... CU-Structural Soil on average costs $35–$42 per ... One municipal installation used about 50,000 cubic yards of the ...

3. 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.

4. Crop yield - Wikipedia

   en.wikipedia.org/wiki/Crop_yield

   The units by which the yield of a crop is usually measured today are kilograms per hectare or bushels per acre.. Long-term cereal yields in the United Kingdom were some 500 kg/ha in Medieval times, jumping to 2000 kg/ha in the Industrial Revolution, and jumping again to 8000 kg/ha in the Green Revolution. [1]

5. List of U.S. states by median home price - Wikipedia

   en.wikipedia.org/wiki/List_of_U.S._states_by...

   U.S. states and D.C. by median home price, February 2024 (in February 2024 dollars) [1] State rank State or territory Median home price in US$; 1 Hawaii $839,013

6. Earthworks (engineering) - Wikipedia

   en.wikipedia.org/wiki/Earthworks_(engineering)

   In military engineering, earthworks are, more specifically, types of fortifications constructed from soil. Although soil is not very strong, it is cheap enough that huge quantities can be used, generating formidable structures. Examples of older earthwork fortifications include moats, sod walls, motte-and-bailey castles, and hill forts.

7. AOL Mail

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   Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!