em S" 39,65 /4: bur 3S “ vi" ayy Bulletin. No, 35 a pEIGH ron March 25, 1922. ' % COMMONWEALTH OF PENNSYLVANTA a ee DEPARTMENT OF INTERNAL AFFAIRS "James F. Woodward, Secretary BUREAU OF TOPOGRAPHIC AND GEOLOGICAL SURVEY George H{ Ashley, State Geologist COAL RES RAVES IN WESTMORELAND COUNTY, PENNSYLVANIA By john 2. Reese Pe en « in connection with the rene tion to the BituninovssCoal ° Fields of Pennsylvania" now being prepared for publication by the’ Pennsylvania Geological Survey, col reserves of the bituminous field: are being computed by Mr. John F, Reese. In order to render this’, intormation available at once without waiting for the uncertain date OF Printing the report, an abstract of Mr. Reese's figures for West- moreiand County is given herewith. All of the information readily ,available at this time has been used in the re te which followed the methods used by the Land Classifi tion Board. of the . United States Geological Survey in its an Ts of the public coal results may be made as accurate as possible. fo that end the Strvey, ands, The results are given by beds for each township. For some eas and for some areas the data are abundant and the results entire- ty reliable. For other beds and areas the data are meager and the results subject to revision as additional data are obtained, All the data used and the computation sheets are permanently. .filed:so that. modifications of the original figures can be made readily when re- * by additional int formation, “Rhe figures presented are preliminary and subject to correétion for ayy area when that area shall be studied in detail. In the meare time: @xritical examination cf the figures is invited in order that the will welcome every bit of information not now in its possession, Records of drillings and other data will be kept strictly confide Pink 1 (80 desired, ven ee the Bureau naturally prefers to be to use data freely George H. Ashley, swap 4 x“ Coal Reds, Westmoreland County has six coal beds that are now of econamic interest. In order of present importance as shipping coals they are the Pittsburgh, Upper Freeport, Redstone, Lower Kittanning, Middle Kittanning, and Waynesburg, Pittsburgh Coal. The great development of this bed, and numerous exposures of its outcrop have furnished many reliable measurements of the thickness, thus making possible an accurate and reliable computation of the quantity of coal contained in this bed, No information is available as to the size of mined-out areas in some localities. For these places an estimate of probable depletion has been made, based on age and size of operation, or on the difference between original areas and statements of acreages remaining unmined. Upper Freeport Coal. This bed contains the greatest reserve within the county. The extensive development of this coal along the- Kiskiminitas and Allegheny rivers, the outcrop throughout the county, and drill hole records, have furnished a fair number of detailed measurements of its thickness. From data available, a fairly accurate hap of this hed has been made. showing the extent of the thick Preeport Sd 1*- the- large faulte'd,.areain'the-céntral and western part of the County; ang the local faults along the Kiskiminitas River. fe Because of approaching exhaustion of the Pittsburgh coal, this bed wili be first in economic importance within a few years. Redstone Coal. This bed? has been computed as of economic value in five townships. A fair number of measurements from its outcrop and from several mines have made possible a fairly accurate estimate of the tonnage. A low percentage of recovery has been assumed for this bed, because when’ the Pittsburgh coal has been mined, the inter- yening rocks will cave, thus breaking this bed and making recovery of this coal both difficult and costly. ° Lower Kittanning Coal, This bed has been computed and cons Sideread aS of economic importance in five townshivs, all lying east of Chestnut Ridge. A fair number of measurements are available from its outcrop, from mines along the Conemaugh River, Availeble drjll- hole records show this coal to be extremely variable in thicknesé and of no economic value west of Chestnut Ridge. Middle Kittanning Coal. Drill-hole records show this coal to be fairly persistent and‘of fair thickness in the western part of the county, An average thickness of 3 feet has been used in eight town- ships where its existence has been established, A receverable per- centage of only 50 per cent has been assumed for this bed, because of meager data regarding its thickness and continuity. A fair number of measurements have been Waynesburg Coal. set cathorer Tron Ehe oatcrop of this coal, and from its development. It has been considered and computed as oF importance in Hempfield and Sewigkley townships. This bed is broken by many partings, is varisble OQ - ££ * ? “| ae a ‘ mee “Et ‘ i iS \ Fy i ) 44 ’ “ ‘ . \ } ‘ { . a J 6 7 = { ‘ ay m 4 . a re | " ‘ ry o ‘ ‘ «Ah ' i a iv ee we eee ae ae . Sry ae Bee Oe 2 al 4 “ v4, ah A re Ae ; 4 "at At iy bas AK hy ; ey , iid teat et ‘| mnareh i od. $4 37 ae Ae os we Uae ND ear Bes te: ¢s a a Ay \ ye sere Lah oo { Y \ 2 J t we ak AT i he ui ae ve . ‘ Riya oN ¥ Baek ba = ro datas : sie ? i sy Pa Me | } . » at y B i " re % - 4, : y 3 V ) J yA ¢ “ 3 h F 4 y _" : * A on, ry ‘ A 4 : *Y \ vi i > ; : ‘ b i f / y “ ae , i é hy, ¢ Ls a e ch ¥Nps fe ‘ by " ‘re » to K at , . is at My, om aa it TRE Nis Bia a 8 ets “ r trey #4, i et oi Rey Tas , oct ale 5. in section, and in places is under shallow cover. For these reasons, a low percentage of recovery has been used in figuring the mineable tomnaze » This coal is mined for domestic use in many places because it is readily accessible, Other conl beds are mined for local use, but as they are not important, and little is known of their extent and thickness, they have not been included in the computation of the reserves. Method of Computing Reserves. A base mip for each coal bed was made by tracing its outcrop trom the quadrangle meps made by the‘U. S. Geological Survey. All available measurements of 2 coal bed, gathered from Federal and-State Teports, mine mans, core drill rec ords and personal inspections, were plotted on the map ‘of that coal bed at the locality represented. BY Studying the distribution of the figures, areas of. equal thickness- were plotted, and by means of a planimeter, an instrument for measur- ing plane areas, the area of each coal bed in each | dal ppd was measured. The unit used for calculating the quantity of coal was 90,000 short tons per inch of bed per square mile of area Workéd-out areas were determined from mine maps and plotted to Seale on the base TAPS « The same method as sbove was used. for come puting the quantity of coal extracted. Having calculated the quantity of coal originally contained Within the area of any bed 2nd subtracted the avantity already mined out, the writer determined from engineering experience the probable mercentage of ench bed which could’ be recovered in different locali- meee. This varies from 50 to 90 per cent, depending on the thickness and -cheracter of the bed. The quantity of coal computed to be in any bed, multiplied by the assumed percentage of recovery, less 15 per Cent for loss in mining, gives the estimated recoverable tonnsge. Coal Reserv f / rd uf The total area of Westmoreland County is 1062.6 square miles, The result of computing tre coal reserves in Westmoreland County based on the lsatest mays, engineering data, xnd wethods is shown in the eaccomosnying tables, 7 One table gives the estimated recoverable tonnage by beds and tovmships. The figures heave been given as computed. It should however be distinctly un@erstood that while the acreage of each of the eds hos been accurately computed, th reliability of the avernge hickness of the coals used in tie computation of tonnase decreases or the beds in the order following: Pittsburgh, Upper Freeport, Redstone, Vayne sbure , Lower Kittanning, and Middle Zittanning. Thus, while the figures for the Pittsburgh bed are couservative and proba- bly relisble, the figures for the Middle Kittanning coal may be much rs aa i i \ mel Hy Ji * ’ 1 I ‘ 5 é ey { ' ’ ’ ‘ ur , i ‘ ‘ sii ‘. ye ‘ i vd > : { A ‘ : ‘ Y i aly } ‘ ihe ‘ ' he ‘ ' ‘ V4 ' 4 ao rt y { \ } f r . * ’ 4 ‘ ' ' ' ‘ i y " ‘ ~ 4 4] " ) " - { d ‘ 5 ' ’ ’ i \ 7 ~ ‘ : ’ AY ' 1 j ve { . i (ered, ‘ i ie } 15 " ' ' ay ‘ } ’ 4 Pie t ' »* Le a any Pa § ; i ; ; p i hy & P t - 4 \ aihht H ti A r t ‘ » 4 1 SH foul | ‘ i) is ral : ¥ sy i ‘ Mi eyes Pe) Y " we { } : * ] V , ? : : 4 re ‘ wna Py, - aw “ P29 ¢ { ap) a va ae 1 ¥ way ‘4 i ~ j - i ¥ , [ Ar ‘ a ” j "ee Ae OL APS , ? We READE il) Reel. ay BANE 4 bas’ ! uy ' JL y iy et re Li Ale ‘> Lat i ? , ag ay j ry ’ * Ca od / A \ Pein. a L Oe i } f'( ‘ if i i a ‘ ye ‘ hank Ves eo i } 4) 1) Pee. ‘ fv} ; , ‘ aN, AN Vy tat : ; we i ba ; ay : N ' < u mn) Wt ‘ f AK wie Py ‘ rit i j . ; oie iy, ry “i 4 ening MV yay? ) oe q 4 é 1 Y ; : ‘ . wk ey ‘ is nm | Ni | ai xe, Nore WD f. 25 7 F Pavel 1) rity : APA NN } ey Me ‘ { ih , me é ti \ ‘ d ‘ yl j ‘ ' u beh i i 34 : ay) “eo Vr . s} , 2 \ ; > * r i 7] Pi + oe hy a i ‘ ahi a a] naw 1 } j f ; i ; iD ay , i AY ‘\ vf 5 i j ne, f : 4 ‘ m aF Tie iy ae ‘ ‘tg y aj he ist t i : 1 Ass P ‘y 1 ’ + | ‘ 4 DB) iy i‘ ‘ ee I, i yuu rye +) We uth 4 aa, 1 ee I, v1 ' ; >» * j : ® by er anh ee ¥ t a Lf Wel jj “4 y ] \ " \ A u , { : he ak ‘ ‘ ’ ae 7 } \, ite aha { Ly Gn 4 id { of ay 6 ah : i ih hor iy ¥ */ biped, N) DST } W A ai y hy i ae } ‘ : ‘ ‘ i : i t i 4 s 7 Wt ay Oe ikeBad OMe tae) ae ‘ nos is a te etka he. Leathe ti i if - i Neg LON (L pws sa! hye Me Lays eee 3 f ; , ey f J vt v PAu tes LAF aati TA ¥ ¥ , : i M ia uy Pe ll yin JS Ohihe fit) \ FR iy Gaal Shree thet et Al j ae ie iu Y . i a's } ; y ule We Hen > hms PA a ke an a tsa \ ey. em ee a he an ik Lids \ ah ai) ated ue Hick Hata i iy Oy ove .) i 4 NY, Span paw HS angst LSC iy ed ry ad , bf i Rey A a: Mi me a ia F re (Gre wate : ; ng >. i Se 5 > eh ere 4 pee Are cite We At ii uN We Cokes Rae he ht eal he Be SOR : ive ate Ve a le mean tetles! of the coal reserves in each township have been pared and will.appear in printed ‘form in the report now being, itten on the bituminous coal fields of the State. They cnn be con- 4ited in the office of the Survey; or figures for a Single township ill be sent ch request. \ Coal Reserves in Westmoreland County in Short Tons Original Deposit Mined Out | Recoverable b 1; 872 ,540 ; 000 1,167,687 ;000 538, 300: 000 - Freeport 2,732 598-000. 45.378.000 1,859,200:000 istone — | 324 900; 000 “2970-000 "163 .200;000 ver Kittanning 729 000,000 | 972,000 4531 -700;000 dle Kittanning | 706 ;644 , 000 $24 -O000 297 -500 ;000 yynesburg __ ae ee eee COU 0. 810,000 | 7,600,000 000 : 6,381,504, 000 1,216,141,000 8 207, 500 , 000 ad - ‘ if) 2 i” vers ‘ ; hu 5 ' ’ \ ey ‘ : ; in NCEE O " \ t a ' +} ¥ "ti r. f Osan i ‘ ) vty Sate’ Aiaglis peop y Vigeed © 4 } ° j - ; 4 t gael ' } 7 r 9; 4 4 i € ’ * o i ’ 4 1 , oe ye 4 \¥ ay Ve ; hur ; , h \ ‘ jis " i f {a : P f ‘ ‘ i hy tt ‘ ' 1 ae ‘ bid —" : hea a 1} A} i i bait} Fy i ( * R Abr { \ ye i WA ‘y Tale ee 11 ’ ar ’ a r AY ‘ as PE Ie ef ay ‘ Mi 7 i Mt a ry ¥ ) \ ; 4 Vn iy Aah AOR % , ‘ Ce J i: A a i 7 A ‘ ; ‘ ; 4 = ’ \ > ’ + y ¥ \ é ~~ f | \ \ ‘ i r § rm ‘ + 4 i j by ; fa 7 ; , ef é i 4 we ‘ ; | 4 o ; 5 suOy ‘4 TOUS ut £arumog puvTOIOUIY Sof, UT ak Sa oTABroAooey Fu ALBUMS ee SS SS SSE ——e———e 000° 00S" 462°E 000‘009°4 000°009‘462 Od0‘O0L' TEP 900'00%'E9T 000'002'6g9‘t 000‘ 00e'8eg Te4og se er Se ee pet Ee Jee EY ASD ae 000°000' PTT ee 099*9000°2 ---~~ —--> 0c9'CS9°T3 000‘ 000‘ 07. 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