90 
Transactions Texas Academy of Science. 
126. Dumble, Edwin T. 
Eeport of 'State Geologist. 
Second Ann. Eept. Geol. Snrv. of Texas, 1890, pp. xvii-lxxxviii. 
Austin, 1891. 
Contents: Introduetory. IWork of the second year: Topography; Ge- 
ology; Paleontology; Chemical Laboratory; Library; Museum; Office 
work; Publications; Co-operation with the Public Schools. Mineral Pe- 
sourees of Texas: Introduetory; Fuels and Oils; Fertilizers; Fictile 
materials; Building material — ^Building stone; Clays for brick; Lime; 
Cement material; Plaster Paris; Sand for mortar. Metals and Ores — 
Iron; Copper; Lead and zinc; Gold and silver; Tin; Mercury; Manganese; 
Bismuth. Abrasives. Ornamental stones and gems. Pefractory mate- 
rials. Load materials. Materials for paints. Other economic materials. 
The Artesian water 'conditions of Texas. Acknowledgments. 
1 9.7 
J./V i • . 
Ecports on the Iron Ore District of East Texas, Part I. A Gen- 
eral Description of the Iron Ore District of East Texas. 
iSecond Ann. Eept. of the Geol. Snrv. of Texas, 1890, pp. 7-31. 
x^nstin, 1891. 
Contents: Introduction. Historical. Topography. .Stratigraphy. The 
Ores and their mode of occurrence. 
‘That part of Texas of which the following pages treat is situated in 
■the northeastern corner of the iState, being the territory lying east of the 
96th degree of longitude and north of the 31st parallel of latitude. From 
this area we exclude, as being non-iron bearing, the portion north of Sul- 
phur Fork, and also the northwestern corner, in which the black waxy 
prairies of the Cretaceous are the prevailing formation. 
“In this district, so restricted, there are nineteen counties: Oass, Mor- 
ris, Marion, Upshur, Wood, Harrison, Gregg, Panola, Smith, Van Zandt, 
Rusk, iCherokee, Henderson, Anderson, Houston, Nacogdoches, Shelby, 
iSabine and San Augustine, containing in the aggregate 14,430 square miles. 
In each of these counties iron ore exists in greater or less quantities and 
■of varying qualities. 
“Ores of similar character are reported from other counties west and 
southwest of this area, but our investigations have not extended further 
than the limits stated. 
“As will be seen by reference to the accompanying map, the iron ores 
are very unevenly distributed through this region, and as we have mapped 
them cover an area of about 1000 square miles.” P. 7. 
128. 
Eeports on the Iron Ore District of East Texas, Part III. De- 
scription of Counties. Ghapter XII. Anderson County. 
Second Ann. Eept. of the Geol. Snrv. o’f Texas, 1890, pp. 303- 
317. Austin, 1891. 
Contents: Geography and Topography. iStratigraphy. The iron ores. 
Greensand marls. iSalines. 
