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 Helotes Quadrangle, Texas, by E. W. Collins. Oversize geologic map on color topographic base, scale 1:24,000, with explanatory text, 1995. Print Version.For a downloadable, digital version: OFM0018D. Geologic Map of the Helotes...
Geologic Map of the Castle Hills Quadrangle, Texas, by E. W. Collins. Oversize geologic map on color topographic base, map scale 1:24,000, with explanatory text, 1994. Digital Version.For a print version: OFM0017. Geologic Map of the Castle Hills...
Geologic Map of the Castle Hills Quadrangle, Texas, by E. W. Collins. Oversize geologic map overlain on color topographic base, map scale 1:24,000, with explanatory text, 1994. Print Version.For a downloadable, digital version: OFM0017D. Geologic Map of the Castle Hills...
Geologic Map of the Longhorn Quadrangle, Texas, by E. W. Collins. Oversize geologic map overlain on color topographic base, map scale 1:24,000, with explanatory text, 1994. Digital Version.For a print version: OFM0016. Geologic Map of the Longhorn...
Geologic Map of the Longhorn Quadrangle, Texas, by E. W. Collins. Oversize geologic map on color topographic base, map scale 1:24,000, with explanatory text, 1994. Print Version.For a downloadable, digital version: OFM0016D. Geologic Map of the Longhorn...
Geologic Map of the Schertz Quadrangle, Texas, by E. W. Collins. Oversize geologic map on color topographic base, scale 1:24,000, with explanatory text, 1993. Digital Version.For a print version: OFM0015. Geologic Map of the Schertz...
Geologic Map of the Schertz Quadrangle, Texas, by E. W. Collins. Oversize geologic map on color topographic base, scale 1:24,000, with explanatory text, 1993. Print Version.For a downloadable, digital version: OFM0015D. Geologic Map of the Schertz...
Geologic Map of the Hutto Quadrangle, Texas, by E. W. Collins. Oversize geologic map on color topographic base, map scale 1:24,000, with explanatory text, 2002. Digital Version.For a print version: OFM0014. Geologic Map of the Hutto Quadrangle,...
Geologic Map of the Hutto Quadrangle, Texas, by E. W. Collins. Oversize geologic map on color topographic base, map scale 1:24,000, with explanatory text, 2002. Print Version.For a downloadable, digital version: OFM0014D. Geologic Map of the Hutto Quadrangle,...
Geologic Map of the Round Rock Quadrangle, Texas, by E. W. Collins. Oversize geologic map overlain on a color topographic base, map scale 1:24,000, with explanatory text, 1997. Digital Version.For a print version: OFM0013. Geologic Map of the Round Rock...
Geologic Map of the Round Rock Quadrangle, Texas, by E. W. Collins. Oversize geologic map on a color topographic base, map scale 1:24,000, with explanatory text, 1997. Print Version.For a downloadable, digital version: OFM0013D. Geologic Map of the Round Rock...
Geologic Map of the Turkey Knob Quadrangle, Texas, by E. W. Collins. Oversize geologic map on color topographic base, scale 1:24,000, with explanatory text, 1995. Digital Version.For a print version: OFM0012. Geologic Map of the Turkey Knob...