Pine Bluff daily graphic., 1901-12-01
THAR OF THE EARTH
:, TUE FACE OF THE GLOBE CONTINUALLY CHANGING.
..,.oical Agents That Are Always ,a.v i, Natures Great Work shop.

reai operations. l's coifodIlls f3W- bscked by rain and wind, helps to |.ov and disintegratc those rocks Gieh are exposed to it's influence. Rain |mnlptes tue work thus begun. Wind MTG dust. sand and volcanic ashes Tor large tracts of earth-in fact, lo, inc whole of it.
 kt is only of late years that seolo- '. have discovered that fine vol hc dust is carried ever the whole of partb's surface anu plays a very |nortant part ill the deep sea depos- i 0n deserts and nearly rain!ess re- ms blown sand will wear away the |rlest rocks by beating against l nm Some sandstone formations ap- |Dr to have been piled up by winds. Minds cause ocean currents, waves
 storms. The great denudinS Uer of the sea is largely due to the nOsphere. Some parts of the Eng coasts are being rapidly washed av. Plants and animals have their hibution considerably affected by bls and ocean currents. Again. ether living in water or on land, mals live on the oxygen supplied m tie atmosphere, and land plants korb carbonic acid from the same |rce.
 lain acts in two ways: O chemic- by disso'vil'~ certain substances, (h as lime, 05., ci the rocks, and @ chanically by wearing down their faces as it flows over them. Any building-a ruined castle or eathe- for instancc-shows q "Xeath- F surface resulting from the ac- of rain and wind. h sandstone lcturos the details of carving are n lost and on old tombstonaS the eTng can hardly be decip,.efed. 6nss are due to rainWater collecting Focks and rising to the surface. Frs are fed by rains and springs.
 river is q very powerful geological Pt. h the hardest rocks rivers fuaily carve out valley CT gorge.
 is accomplished partly by cltenie-
 dissolvihg certain mineral sub ees but chiefly hE mechanical pQn, tae stones. sand and mud lils away the bed of [ stream as run and tumble over it.
 e finest examples of river action the famous canyons of Colorado, n i'll so.2e places are gorgcs 5.oo0 yen G,ooo feet 1eep, with vertical
 but, &; already pointed out,
 aaHa ! constructive action qaitc ri0oftaEt as their destructive ar-
 bE bringing down their burden
 ofilellt into lakes. estlarics and
 lley build up great p;,es uf rock
 SOW tAe dust of continents 10
 eieFs are rivers Of ice fed by lhe
 lal SHOWS of high mountain
 ts soch as the Alps. They wear
 laei' cN,a valleys as rivers do;
 transport mud, sand and stones te
 u!stS!'ees, Ii some cases sending
 seaied Gp in icebergs to feat fal
 sea ana on melting deposit tllei1
 iis oA the seq floor. Off the coast
 esiouhdland northern icebergs rift" S'
 'ea IS d great denuding agent;
 work is more constructive than
 uVuve. It is the workshop where
 all the stratifed rocks have
 seeunlulated and ranged ill layers
 qua The rivers and ocean cur
 eonllilually bring in fresh SUD- VI ueofls even for hundreds of rJ ~ eohlpared with the lower ami :. p'ouoces but little effect as a cc- <, agent Still the human race Y f. noy nloullled the diStrlbu- 1, p'''lts by cutting down forests :. z, ,eai'iVatlnS certain plants to 7 ,ooo' So With animals. Ger ,f s Sf'al species have been cu!ti3at. so e@aotlhousiy @ increased at the I, Fmful. r 9' ' 'acie'eS < |;n r'1A's and aniuals have had n. ""s t, Far more influence geo. {, 1,. I, Coal seams are made up of
 ba. '''''Hs Of former periods. N hot' t"Ne an important influence :" |lieo ',s# oA animal as well as 10 wo,,5 - the comparatively u3- q. ao,,, = or the ocean marine 1 N''''leSs have important func- i t "f '''a3is accomplish vast , \ c, &eolo@ieal constructive ts iet '@s ~ deposits thousands of n5 eops a. 'aelr existence to small |rqafa 's'.eefes hyin" in tue sea. I' ltion rS afford th%u.ost fafn;s.ar
 force l.ro,,..
 V Ince @l,2En ,r, IS heat is e great e Ffsea , a The earth is hotter below
 ennoga ahd prababIy has very
 nlaos l,,.sare toward its center.
 it D,~gas coa4. not very far below it's
 pccssiaaaal,n,s a.alns highly heatcd rock,
 g
 prine 'e,.l!y @ flows over the sur
 aees ps n. Volcanic eruptions. In
 with se Vt, md hot springs in con
 e.ats d i5uwnvfns innnano.