SUPPLEMENTAL REPORT—HANGING ROCK DISTRICT. 935 
Cc. SHAWNEE OR BUFF LIMESTONE. 
1. Ogden Furnace—Ward township, Hocking county. 
2, XX Furnace—Shawnee. 
3. Fannie Furnace—Shawnee. 
4. Fannie Furnace—Shawnee. 
5. W. W. Poston’s—Nelsonville. 
6. W. B. Brooks’s—Nelsonville. 
7. George W. Gill’s—Meeker’s Run. 
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Calcium carbonate ......-.. 92.62 81.65 87.86 73.15 85,32 72.08 | 76.00 
Magnesium carbonote ...... .96 1.96 1.16 2.07 ; Trace. | Trace. |.-.- “g° 
Tron alumina and manganese.| 3.63 4.99 7.27 6.81 DH SCI al SO HES 
Silicious matter _-- essa oee 2.91 10.42 S5V/ 11.81 10.12 92.93 | 19.85 
Moisture iecce fee eee ee eee .65 38 Oh eter eee | ale 
Organicymattenacsossee eee leases |snastessellaciciniaiseclasne oes del) WHeaneoeesllooccon 
Oxidevofpron eee le eee 1 osQ CE SOs 8 lS ee a a a |e en eee Oe SOM eee 
Phosphateroigalnminapaese||eseeiees mercies ell secre oe HER yas ASIA eI Ie cee ep 1.35 
J EROS RY 0 a See I aes RIN SIN Ea a Ti | Pe a ar) OL an We eee nee RDF 
Magnesia asc een om Mee ee ee et i Re SNA oN aed Ae cent nac kine aeaears Trace 
Otalsr cesses Ree eee 100.12 99.57 | 100.24 99.45 99.29 99.22 | 99.60 
Phosphoricyacidweseeeoee ee sniceeeeees COA al eeere re eo etane, CAietar ere em eevee ISS ead fs ie aa 
Manganese oxide .-.--.---- se SO ise Ree he [ret Were el ae Ue itmeid nem cleaned sao ecoaeslicmomiee 
Notre.—The Ogden Furnace sample is exceptionally good, and cannot be assumed to 
represent any large part of the stratum. 
D. CAMBRIDGE LIMESTONE. 
A single analysis of the Cambridge Limestone is given here. The 
sample analyzed was taken from the stock pile of Ogden Furnace. It 
represents the best grades of the stratum in Hocking county. 
Calcium! carbonate..22.. 2-22. 2.5 SF es ad lh a pO i 90,30 
Macon esi MUuCarbOnatereeeue ac we cs huis eas) See eee leues nies sce wale Hance neue 92 
Iron and aluminate ees EH SINC eae rel beat sri Rev gat! Seg ee elit yo eae 4.42 
Siligiousimatten= espe eee eee Bh OHNE) Sin ta) eh nt ER Whe Nie Ber BAG 
Orpanienmatler seco em eset Wiscicincle ce oe ei eileen are tcNaeve naar wi aienni ace cia Trace. 
POLAR ie 2 vars as etaictenie cia sia ale siainiek (a sisicleie gis o.cie Siacidiicie s beiemaleg vee > aaoo8 | BAI! 
