| Show HARDING STUDENT WRITES STORY ON COAL V AION cons considerable id erable research Is jhc n in theme written by william stoker eighth grade pupil the following theme on coat and its is by Willi william ant an eighth grade iu tit tho marding harding school it represents considerable re on am the I 1 art of oung stoker and should be of 0 ce eap cecial ecial luter inte foet at to r ansi si denta dents of cr arbon county where coal coat te to THE till big commodity la in a small but interesting class in science in the county of 0 carbon to named because of its vast deposit ot of coal the subject of coal was choden to 10 be the basis for a theme coal ie is clashed among the most ise fu foi shingi in tho the world if it were not riat for iho the coal deposit our country pos besses it woul boull I 1 not an ani I 1 could not riot reea ai as veil well as it has coat ii is a corn com pound composed compoe oil of a 4 number of the most useful things we have in the world today coal ie Is also a most interesting study it is found in nil all nations and if in large is highly and helpful in the growth fi of the na tion our transportation companies com depend chiefly blemly upon toil 1 for fuel and not succeed without it now could our manufacturing be tarried carried on without roalf it would certainly be very much I 1 afra whittley ss as tandi iq in her flowed garden when bhe she naked asked me tho the creation can yon you tell me what coal Is and tind its formel formal 1 1 I 1 told her I 1 would do my bet beat and gave her this I 1 informs tinn tion three any days a later coal ij Is formed from rait vast depo dt zits ft f decayed vegetable Tege ablo table matt r cohered py oy layers of mud and and hidden fr centuries cen under this preisur pree aur t eom earn bained with heat a crien action tok 4 iriving of moat most of the li dro gen tina eygen conta loj in the ege tation learing leann fi the arbon behind there are a few traces found of this vegetable origin in the can coal la in the abade hae of lealev and stems but bon theae these are forbid they arc are usually ia in tae fossil state and more aar ly trunks it trece trees are fetid with roots extending coul coal Is I 1 usually found li 1 blaya and these though replaced by by mineral substances have preserved their structural features fea turi to 0 o perfectly that boton tet have been ten able to cs es cablish their affa at allily Lily ity with existing epe eie ele 1 tree fossils of large largo lie size eo so reeoh nixed have been found to be related cloa elo ix 10 0 o the ne as found in B S and australia Ani the commas 4 formis of vegetable found in the rocks of the coal formation far mation include the 10 the the ca lanite aw anil tree fern ferns from the animal in cos foal it Is to be assumed that boome deposits occurred ia in freeh water probably lake white while other others appear to have occur occurred roil continued on raia HARDING WRITES STORY ON COAL FORMATION continued from page one at mouth mouths 0 riv se teaching salt ater mater the period during chieh the tran formation ot of the vegetable uto into the mineral substance was at of louir duration so 10 long an to be quite quit under terminable coal ie is found in various forms which its quality and nd uc use an th or bard hard coal hae has undergone a greater arte it ace of pressure than lit tu minous or soft coal it ia is the oldest of the coal 1 formations and conta lits moet most carbon tage being stow from 90 to pt pi remain der consisting ag hydrogen hy druger droger oxygen and ash it Is pure bla bladiS cr with a bluish me rie allic lallie lustre and ani has a ap specific gravity ot 01 ur or about the saine as t that h at 0 or f hard wood woods it burns with lit tie tle flaiano is eless and Jp tl boelte no BOA eo it in lit the chimney nor loea joes it give off gae gass to any extent it the dea domestic purposes ee and for fu furnaces rupees and ani malt klins it Is leee less abu abundant nAnt than other les and Is therefore higher in price it wa was first diston ered ia in pennsylvania in 1791 bituminous or oft soft coal Is i of 40 u r fortion forni tion than anthracite it hae has under gone lee less pressure pres eure ami anil is lee less becom posed it contain contains arcin 75 to 85 per flit PI of earbon carbon with traces of sulphur and a greaf percentage of hydrogen a and nd ite its specific gravity is in burning it emit emits a yellowish flump much greater than abat th tt arven out by hard coal and gives lees less he heat while hile ita its imperfect combustion pro dus du s heavy baack fioke and diffuses disagreeable agreeable dix gas rt the h can be driven off as basses raises by heating beating the coal without aehee of all in thi this way one kind of illuminating gas is made and the material left is its eolie coke cannel or gaii gad coal ia is of ikumi noue variety but coat contain less combined comi carbon than the coking or fur nace coals it burne durus frequently and la t used largely in making gast I 1 I 1 lignite 1 8 ft of very recent forma formo on intermediate bitu mt acus au I 1 I 1 peat I 1 I 1 indeed ft a period of lee less than five yeara ie Is known to I 1 ltv avs converted timber in ill to sort of 0 li lignite guite the percentage of arbon carbon in lignite is never bever moa mo rno a e than 70 per cent it exhibit exhibits moat most of the wood or ito it etrul tuo from which it ie to formed ita its heat giving property ie is lowa owl lenco it an bo be used only ahert a hot fire i not needed but it ie isi very volatile peat is i the latest of the coal for lations it hue acda dc gone but a partial o 0 from its original state and anit the blight pressure to which it haa has been objected subjected ayt tho the small covering of sediment ha has given it but little dera o 0 ity it contain contains or 0 r SO 50 1 er or cent of 0 e o r battle matter As a f fuel ua it Is i used here where roal and wood wooi are scarce uni agh in price WILLIAM lighth ornde grade price utah |
