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Note 10 - Oil and Gas Producing Activities (Unaudited)
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12 Months Ended |
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Dec. 31, 2012
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| Oil and Gas Exploration and Production Industries Disclosures [Text Block] |
(10)ÌýÌýÌý
Oil
and Gas Producing Activities (Unaudited)
The
Trust’s share of oil and gas produced, all of which is
from royalty interests, was as follows for the years ended
December 31, 2012, 2011 and 2010, respectively: oil (in
barrels) – 135,561, 128,170, and 118,220, and gas (in
thousands of cubic feet) – 721,560, 572,506 and
499,615.  Reserves related to the Trust’s
royalty interests are not presented because the information
is unavailable.
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- Definition
The entire disclosure for oil and gas producing industries. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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