Filters: Tags: Lake County, Colorado (X) > Date Range: {"choice":"day"} (X)

Filters Date Types (for Date Range) Types Map Service (8) OGC WFS Layer (8) OGC WMS Layer (8) OGC WMS Service (8) Contacts U.S. Geological Survey Behre, Charles Henry Categories Image (8) Tag Types Place (8) category (8) collection (8) label (8) Tag Schemes http://www.sciencebase.gov/vocab/undefined/DenverHistoryPhotoLibrary/PhotoMedia (8) View Results as: JSON ATOM CSV

Early stage: blue-gray limestone or dolomite is somewhat fractured, cracks being filled with white dolomite; specimen is 3 inches long. Lake County, Colorado. 1929. Early stage: blue-gray limestone or dolomite is somewhat fractured, cracks being filled with white dolomite; specimen is 3 inches long. Lake County, Colorado. 1929. Figure 21, in U.S.Geological Survey Professional Paper 235. 1953. Categories: Image; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Behre, C.H. Collection, Lake County, Colorado, Photographers, photo print Johnson Gulch porphyry; note euhedral phenocrysts resembling those of Lincoln porphyry: length of specimen 3.5 inches. Lake County, Colorado. 1935. Johnson Gulch porphyry; note euhedral phenocrysts resembling those of Lincoln porphyry: length of specimen 3.5 inches. Lake County, Colorado. 1935. Figure 40, in U.S.Geological Survey Professional Paper 235. 1953. Categories: Image; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Behre, C.H. Collection, Lake County, Colorado, Photographers, photo print Pikes Peak (?) granite; note coarsely crystalline texture and conspicuous dark mineral; length of specimen, 3 inches long. Lake County, Colorado. 1929. Pikes Peak (?) granite; note coarsely crystalline texture and conspicuous dark mineral; length of specimen, 3 inches long. Lake County, Colorado. 1929. Figure 8, in U.S.Geological Survey Professional Paper 235. 1953. Categories: Image; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Behre, C.H. Collection, Lake County, Colorado, Photographers, photo print Advanced stage: limestone almost wholly replaced and dark blotches also no longer conspicuous; specimen is 3 inches in length. Lake County, Colorado. 1929. Advanced stage: limestone almost wholly replaced and dark blotches also no longer conspicuous; specimen is 3 inches in length. Lake County, Colorado. 1929. Figure 23, in U.S.Geological Survey Professional Paper 235. 1953. Categories: Image; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Behre, C.H. Collection, Lake County, Colorado, Photographers, photo print Evans Gulch porphyry showing relatively finely crystalline, equigranular texture: length of specimen 4 inches. Lake County, Colorado. 1935. Evans Gulch porphyry showing relatively finely crystalline, equigranular texture: length of specimen 4 inches. Lake County, Colorado. 1935. Figure 34, in U.S. Geological Survey Professional Paper 235. 1953. Categories: Image; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Behre, C.H. Collection, Lake County, Colorado, Photographers, photo print Lincoln porphyry showing orthoclase and quartz phenocrysts: length of specimen 3.5 inches. Lake County, Colorado. 1935. Lincoln porphyry showing orthoclase and quartz phenocrysts: length of specimen 3.5 inches. Lake County, Colorado. 1935. Figure 34, in U.S.Geological Survey Professional Paper 235. 1953. Categories: Image; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Behre, C.H. Collection, Lake County, Colorado, Photographers, photo print Typical later white porphyry; phenocrysts are more common in this specimen than usual, length 3 inches. Lake County, Colorado. 1935. Typical later white porphyry; phenocrysts are more common in this specimen than usual, length 3 inches. Lake County, Colorado. 1935. Figure 32, in U.S.Geological Survey Professional Paper 235. 1953. Categories: Image; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Behre, C.H. Collection, Lake County, Colorado, Photographers, photo print Parting quartzite member of Chaffee formation, showing typical honeycombing on weathering; note suggestions of irregular bedding; length of specimen, 4 inches. Lake County, Colorado. 1929. Parting quartzite member of Chaffee formation, showing typical honeycombing on weathering; note suggestions of irregular bedding; length of specimen, 4 inches. Lake County, Colorado. 1929. Figure 17, in U.S. Geological Survey Professional Paper 235. 1953. Categories: Image; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Behre, C.H. Collection, Lake County, Colorado, Photographers, photo print