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REP22696
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REP22696
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Last modified
8/24/2016 11:55:25 PM
Creation date
11/27/2007 3:31:10 AM
Metadata
Fields
Template:
DRMS Permit Index
Permit No
M1988044
IBM Index Class Name
Report
Doc Date
7/15/2005
Doc Name
state land board annual status report
From
southwestern ecological services
To
dmg
Media Type
D
Archive
No
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wetlands or in very dry sites, and occurs only sparingly in somewhat more moist dry, upland <br />habitats. <br />On July 12, a new weed species was found in a single, small population. This species is <br />Chickory (Cichorium intybus L.). The population was found in the drainage course adjacent to <br />the road on the western end of the large valley that flows in from the east about halfway between <br />Quincy and the county line. It probably occurs elsewhere in this valley, but was not seen <br />anywhere else along the local portion of that drainage course. This species occurs in a similar <br />habitat that spurge occupies. It is recommend that a wider search for this species be done as it can <br />become quite a troublesome weed. Control of this species is advisable. <br />Previous reclamation sites have shown a major increase in cover and density of the <br />vegetation in 2005, probably as a result of the return of more favorable growing conditions. Even <br />reclaimed areas that were marginal in 2004 are now looking much better. Wetlands along the <br />streams are in excellent condition with very robust growth, in spite of the dry mid-growing <br />season conditions in 2005. Even some of the trees along Coal Creek that were showing <br />significant weakness last year have much increased leaf tissue and only show slight yellowing of <br />the very weakest branches. But even these branches appear to have more leaf tissue than was <br />recalled from last year. No assessment of the tree seedling production and success has been made <br />at this time, but that will be done later in the season when an assessment is more; indicative of the <br />real status of new tree establishment. <br />A. Describe the geologic and hydrologic conditions encountered in each mining pit azea. <br />REPORT: The various pits currently open all show similar conditions. Sand deposits <br />encountered appeaz to be primarily alluvial deposits with zones of aeolian <br />sand. The sand layers exhibit distinct parallel layering. Overburden and <br />soil combined varies considerably from location to location, but generally <br />exhibits a soil layer of about 8" to about 18" that is often much dazker than <br />the underlying overburden. The overburden tends to be a light buff color <br />and varies from a couple of feet to as much as five feet. This overburden is <br />a sandy material, but is usually very fine and contains excessive clays. The <br />excessively fine texture and significant clay content renders it unusable <br />except as backfill. The individual deposits continue to show patchy <br />distributions, often with distinct edges where the usable sand abruptly ends <br />or changes direction. No water has been encountered in any pits other than <br />that which briefly accumulates in small basins after thunderstorms. <br />B. Indicate the depth to which mining occurred within current mining pits.:[f documentation <br />of measurements is available, include copies of that documentation. <br />REPORT: The most recent primary mining azeas, which are located just west of the <br />main road on the slopes leading down to the current floodplain have, in <br />some places, reached depths in excess of 25 feet, but is generally in the 15 <br />to 20 foot range. Backfill with overburden, in the places where this has <br />been completed, has returned the slope to a grade that differs little from <br />the original. No measurements of existing pits have occurred. The result of <br />the backfilling pulls the more level land at the base of the slopes back a <br />short distance from where its toe originally was located. This backfilling <br />and grading results in a small expansion of the floodplain, but maintains <br />the floodplain at the base of the slopes at its original elev,ition. No <br />Annual Status Report - 2005 for State Land Board July 15, 2005 Page 2 of 10 <br />
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