| Show CHANCE TO 01 AaI DEVELOP IOIa LIGNITE COAL NI IN northeastern WYOMING FIELD the gillette jm coal field ut in northeastern wyoming contains over fourteen billion um tons s of jo luo coal ui in workable dja seams according q to 04 a report 4 recently issued by the 3 geological 0 coloa jeolal survey OA the hug huge e tonnage of JO this single 01 coal field may iotti be compared combe ed pi to 01 the DT total amount of coal mined to 01 date moil from ilu all the I 1 coal 10 L 1 mines III in the united states L two oal of 10 the gillette luo coal beds are doa together 75 feet thick this coal field si is described III in the report by geologists C a dobbin V 1 PI ita barnett and ak T U thorn jr if the aj field sail lies principally III in campbell county but ui includes also parts of jo crook jovad weston niobrara Nio brara pul and converse Q counties I it 1 contains SUM MADS several JU country mines and p prospects from which small quantities of jo coal have aa been 0 obtained for domestic use and joanos some of the ranchers ouia mine their own coal from the nearest sa olno outcrop doi usually a bluff along mol os some OLLI stream where the weathered coal si is kept washed away by the freshets fresh ets sj since DOUTS the discovery v west of minturn of jo the thick roland pui and smith beds aggregating au aai an average ID thickness of jo 75 feet interest III in the exploitation of jo the coo coal 1 on e a duj larger O ia scale has been iu aroused exploration has shown os ua that so os great a tonnage tona tonu joaan of coal can be mined by stripping west of jo minturn u that lap demand PULU for coal is sl the only factor ToI Wll limiting UTI 0 the oll number of jo mines that can be id profitably opened and operated in III the district all points III in the gillette field are within sixty miles of JO the nearest railroad shipping point the northern I 1 aej ui d part am of jo the q a U field a lal which includes the minturn district si is crossed by the chicago ilia burlington 2 quincy railroad the southern border sail lies about twenty five DAU miles north of JO the chicago 2 northwestern railway X line duil kpa between azz casper e and pu j lusk jsn iwo coal designated su as black lignite the coal which inq burns su readily i exit si is of jo low awl sub bituminous rank and belongs to 0 a U class which has S JO often liza been referred to ol sl as black lignite it 41 is 61 roughly luls similar in U character adaptability and 2 geologic age to 01 that of jo the I lost iso spring and P LIS sheridan g fields aspiz which is si used q by the chicago oa 00 22 northwestern railway PUB and the chicago burlington jana Jui tion quincy aduino railroad P respectively ively in III specially built ilni locomotives I 1 in U DJ general U Z I 1 the a coal from the gillette field si is rather tough and some amos of jo it j shows the structure D of jo the wood ij from WO which A q I 1 Z tj it originated fresh pieces when exposed to ol the edal air I 1 lose moisture a and su as a result soon check and crumble ni 1 like the sub bituminous coal of jo other fields the allig gillette coal tends S to 01 04 take wl dij fire o spontaneously u when dad exposed to 0 the weather III in outcrop or io III in large storage or jo culm ci piles sI in III consequence of jo this tendency and jo 01 qa the Z disintegration P s id produced by the loss of jo moisture bulk storage of jo the coal presents ds special lautoa technologic 0 ol 01 iola problems moreover SU as water composes nearly one third of jo the weight alaa 01 JC this coal bloz as mined any process that can be applied cheaply czyz to 01 remove the moisture and valuable oils and other millo q byproducts products from the coal before shipment will not reduce donly gnp JJ freight ylia charges pul and increase the radius within which i be ted but AA will impossibly also open a profitable fi pla eld ui in byproduct by product recovery most of jo the coal reserves of JO vj tons SUOI III in this eld pa can be recovered q by stripping coal ad 11 of jo a slightly super or rank C and pu heating 0 value ST is now MOLI being mined III in this way n a large scale south of jo forsyth mont for n use D su as lococo ou DAIT ve fuel and it 41 st is reported that stripping 0 jado operations are soon 04 10 be begun at 41 the peerless dudul mine near minturn UM A considerable part of jo the luo coal z III in the gillette field 1 is 5 bao a P q by the united states and st is subject to ol development pull under 3 1 government lease UL in with the provisions of JO act of JO february Q 25 1920 commonly known SU as the minal alzia eal leasing auls law |
