Oversize, color geologic maps on a topographic base, scale 1:24,000, depicting various geologic quadrangles in Texas, with informal text booklet, 1990's to the present
Geologic Map of the Texas Mountain Quadrangle, Texas, by E. W. Collins. Oversize geologic map on color topographic base, scale 1:24,000, with explanatory text, 1997. Print Version.For a downloadable, digital version: OFM0006D. Geologic Map of the Texas Mountain...
Geologic Map of the Tarpley Quadrangle, Texas, by E. W. Collins. Oversize geologic map overlain on color base, scale 1:24,000, with explanatory text. 1997. Digital Version.For a print version: OFM0005. Geologic Map of the Tarpley...
Geologic Map of the Tarpley Quadrangle, Texas, by E. W. Collins. Oversize geologic map on color base, scale 1:24,000, with explanatory text, 1997. Print Version.For a downloadable, digital version: OFM0005D. Geologic Map of the Tarpley...
Geologic Map of the Tarpley Pass Quadrangle, Texas, by E. W. Collins. Oversize geologic map overlain on color topographic base, scale 1:24,000, with explanatory text, 1997. Digital Version.For a print version: OFM0004. Geologic Map of the Tarpley Pass...
Geologic Map of the Tarpley Pass Quadrangle, Texas, by E. W. Collins. Oversize geologic map overlain on color topographic base, scale 1:24,000, with explanatory text, 1997. Print Version.For a downloadable, digital version: OFM0004D. Geologic Map of the Tarpley Pass...
Geologic Map of the Del Rio SW Quadrangle, Texas, by E. W. Collins. Oversize geologic map overlain on color topographic base, scale 1:24,000, with explanatory text. 1997. Digital Version.For a print version: OFM0003. Geologic Map of the Del Rio SW...
Geologic Map of the Del Rio SW Quadrangle, Texas, by E. W. Collins. Oversize geologic map on color topographic base, scale 1:24,000, with explanatory text, 1997. Print Version.For a downloadable, digital version: OFM0003D. Geologic Map of the Del Rio SW...
Geologic map of the Del Rio NW Quadrangle, Texas, by E. W. Collins. Oversize geologic map on color topographic base, map scale 1:24,000, 1997. Digital Version.For a print version: OFM0002. Geologic map of the Del Rio NW...
Geologic Map of the Del Rio NW Quadrangle, Texas, by E. W. Collins. Oversize geologic map on color topographic base, map scale 1:24,000, with accompanying explanatory sheet, 1997. Print Version.For a downloadable, digital version: OFM0002D. Geologic Map of the Del Rio NW...
Geologic Map of the Bandera Quadrangle, Texas, by E. W. Collins. Oversize geologic map overlain on a color topographic base, scale 1:24,000, with accompanying explanatory sheet, 1997. Digital Version.For a print version: OFM0001. Geologic Map of the Bandera...
Geologic Map of the Bandera Quadrangle, Texas, by E. W. Collins. Oversize geologic map on a color topographic base, scale 1:24,000, with accompanying explanatory sheet, 1997. Print Version.For a downloadable, digital version: OFM0001D. Geologic Map of the Bandera...