The provincc of Sub-Cnrprtthinn Russiii, or Ruthenin, forms the most cnstcrly nnrl lcnst ;Iccessil)lc part of Cecclioslovnkin. A glancc n t tlic ninp would suggest tlint it ivns most 11tililicly tlint nny industry, let nloiic chcinicnl indiistry, coiild bc piirsiicd in this corner of Cciitrnl Ruropc, spnrscly inlinbitcd by littlc Russians or Rutlicncs, SO% of whoin wcrc illitcrnte in 1918. The spurs of tlic Carpntliinns arc corcrcd with dcnsc forests, ninny iinpcnetrnl)lc, nntl tlie tinibcr trndc is tlic chief source of Rutheniir's wealth. It is cliicfly sold ns wood, flonting down tlic Hivcr Tisa ant1 its tributaries to tlic r d w n y line or triinsportcd to tlic Czcchoslovnk D:inubc ports of IConi:Lrno pntl Brntislnrn. At PcreEin, hoycvcr, tlicrc is n large chctnicnl fnctory for the distillation of linrd (hcccli) wood, producing cliiirconl, tnr, acetic ncicl, acetone, methyl alcolwl, niid gas. Thc gas is iiscrl to Iiciit t h retorts ant1 the clinrcoiil is disposcd of to thc Jlornvinn ntid Silcsiiin iron smelting works. ilcctic acid ruid ncctonc rim nindc in consitfcniblc qunntitics for niiinit,ion works iind iirtificinl silk fnctorics. Other products nrc nlso niiidc for an nssociated conccrn at IJst i-nntl-Liibcni (Aussig), tlie centre of the Bohcniirin clictnicril indiist,rics. 'Chc lahorntory n t l'crcUin is ~v e l l equipped for onc so far removed from civilisntion. It tins all tlic ncccssnry nppnrntus for roiitinc analyses nnd for dctcrniining tlie spcciiil dntri for controlling the various proccsscs. \'lint iinppcns, Iiowcvcr, when sonic special piccc of apparatus is daningcd it is best not to contcmplntc, for days must elapse bcforc i t cnn 1)c rcplnccd. Tile ftictory prides itself on its I~nttcrics of ncctic acid nnd ncctoiic rectifying st,ills. Ovcr 300 workmcn nre cmployetl, npnrt from the woodnicn nntl otlicrs engaged on the light rnilwny which bring? tlic wood froin tlic forcst,s. Tlic consitlcrrilh amounts of linic niid tlie tank-trucks of olcnm are obtriinctl from tlic Ziliiia sulphuric acid works, \vliich, nltliougli ovcr 100 milcs away, is tlic ncnrcst.
Oil Lorings hnvc I)ccn inndc iicnr thc l'olisli frontier. Altlioiigli oil lins bccn struck no \vclls hive yet Lccn sunk owing to the difiicultics of transport. The snnie diflicultk :ire rcsponsil~le for tlic ncglcct of the cstcnsivc dcposits of knolin tlint Iiuvc been discovcrcd. A pottery, Iio\vcvcr, flourislics n t Uihorod, tlic cnpitnl of Sub-Carpiitliiuii liussiu, but it iiscs a coinuioncr cliiy. Near 'oIovcc, nn importnnt tinibcr centre, scnii-prccious stones nrc to bc found just off tlic liigli\vuy, niid tlicrc is 11 small iiintcti factory in the ncighl~ourhood.
Tlic most important niincml deposits of this district iirc tlic salt niincs n t Slotinsk4 Doly, which supply tlic needs of tlic wliolc rcpit blic, including tlic soda, sonp, niid tienvy clicrnicril iiitlustrics a t Usti-iiad-l;nbeai ; t,lic rinnucil output is 100,000 t o w of purc sodium cliloritlc. Ihilic bntlis csist in tlic iiciglibourliood, and there nrc ~i u ~i i ~r o i ~s