a. A measure of surficial area, usually of land. The statute acre of the United States and England contains 43,560 ft2 (4,840 yd2; 4,047 m2 ; or 160 square rods). The so-called Scotch acre contains about 6,150 yd2 (5,142 m2 ), and the Irish acre 7,840 yd2 (6,555 m2 ). There are various special or local acres in England (as in Cheshire or among the hop growers), varying from 440 yd2 (368 m2 ) to more than 10,000 yd2 (8,361 m2 ). Standard, 2
b. Can. In Quebec, a linear measure that equals the square root of 43,560, or approx. 208.7 ft (63.6 m). Fay
c. For the calculation of coal reserves, a convenient rule is to allow 1,200 st/ft (coal thickness) per acre (8,821 t/m/ha). For known and dependable areas, 1,500 st/ft per acre (11,027 t/m/ha) may be used. Nelson
Source: Dictionary of Mining, Mineral, and Related Terms












    What Topic Is Your Geology Paper On?  

 ENTER YOUR TOPIC HERE:    

Over 70,000 Research Papers, Essays & Term Papers - Ready to Download!

<Navigation>


Search!


<Index>

Acoustics
Agriculture
Anthropology
Archaeology
Architecture
Biology
Biotechnology
Cancer
Chemistry
Composers
Dance
Electronics
Environment
Fine Art
Geology
Invertebrate
Plant
Political Science
Psychology
Scientists
Sociology


<Top Level>

WebRef.org
About Us
Copyright Notice
Privacy Statement


Iverson Software: Providing Reliable & Innovative Education Solutions since 1987!

About Us  DeveloDex™  OptiMall™  Success Tools  Tabularium™  WebRef™

Google
Search WWW Search webref.org


K12 Shipping
JourneyEd.com is the leading supplier of discounted software to students and faculty.


icon



Easy CGI Web Hosting
This site hosted by EASY CGI Web Hosting
Iverson Software Co., is not responsible for typographical errors. Information deemed to be accurate, but not guaranteed. Offers subject to change at any time. Copyright © 1987-2006 Iverson Software Co. Some material copyright of their respective holders. All Rights Reserved Worldwide.