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Album caption: Seventeen Palm Springs, Colorado Desert. San Diego Co., Calif. Handwritten notes on album caption: 1905 No index card available.
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Album caption and index card: Water line near Figtree Johns. California. Handwritten notes on album caption: San Diego Co. ca. 1905.
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Album caption: Cut JKO showing dumps. Himalaya mine, Cal. Handwritten notes on album caption: Mesa Grande. Ramona Q. 1904. No index card available.
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Album caption: Working the ledge on the western side of the hill, Himalaya mine, Cal. Handwritten notes on album caption: Pegmatite dike on western side of hill. Man sitting on dike in place. Notice smooth top. No index card available.
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Album caption: Lower cut in Himalaya mine. Cal. Handwritten notes on album caption: Ramona Q. 1909. No index card available.
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Album caption: Showing ledge on western side of hill, Himalaya mine, Cal. Handwritten notes on album caption: Pegmatite dike (42-43) broken up. 1904. No index card available.
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Album caption and index card: Hog wallows on mesa back of San Diego. San Diego Co., Cal. Handwritten notes on album caption: 1905 Note: Panorama with mwc00650.
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Album caption and index card: Seventeen Palm Springs, Colorado Desert. San Diego County, California. 1905.
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Album caption and index card: Outcrops of Tertiary clay beds near Seventeen Palm Springs, Colorado Desert. San Diego County, California. 1905.
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Album caption: Bentonite showing volcanic-ash structure. Shows several ringlike areas that represent unbroken glass bubbles, some of them, near the top, with the walls between adjacent bubbles still attached. Also near the top is a plate-like shard that shows perfect orientation of the crystalline clay material. At left center is a shard showing pumice structure. Just below it is a Y-shaped shard, the lower arm of which shows a double row of crystal plates with a dark dividing line. Otay, San Diego County, California. n.d. (Photomicrograph, crossed nicols, X75). (Photo by C.S. Ross). Published as Plate 4-A in U.S. Geological Survey. Professional paper 205-B. 1945.
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Album caption: General view of the Colorado Desert from knob back of Figtree Johns. Handwritten notes on album caption: San Diego Co., ca. 1905. No index card available. Notes: Panorama with mwc00514.
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Album caption: Open cut in Himalaya mine, showing ledge. Cal. Handwritten notes on album caption: Showing pegmatite. Mesa Grande. Ramona Q. 1904. No index card available.
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Album caption and index card: Eroded Tertiary strata east of Seventeen Palm Springs, Colorado Desert. San Diego Co., Calif. Handwritten notes on album caption: 1905 Notes: Published as plate IX-B in U.S. Geological Survey. Water-supply Paper 497. 1923.
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Album caption: General view of large open cut, Himalaya mine, Cal. Handwritten notes on album caption: Same as 40, but looking in opposite direction. Note pegmatite dike. Ramona Q. 1904. No index card available.
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Album caption: Himalaya Mining Company. Headquarters for tourmaline mine. Mine on hill to left. 5X7. San Diego County, California. Index card: Himalaya Mining Company. Headquarters for tourmaline mine. Mine on hill to left, in love oak forest. San Diego County, California. n.d. Note on photograph: Scanned glass plate negative for image.
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Album caption: San Luis Rey Mission. San Diego Co., Calif. Handwritten notes on album captionL ca 1905 No index card available.
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Album caption and index card: Seventeen Palm Springs. San Diego County, California. October 1906. Notes: Panorama with mwc00517, mwc00518, mwc00519, mwc00520, and mwc00521.
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Album caption: Cut JKO, Himalaya mine, same as 40 but from a different point. Cal. Handwritten notes on album caption: Mesa Grande, California. 1904. No index card available.
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Album caption: Mouth of west tunnel, Stewart mine, Pala Cal. Handwritten notes on album caption: San Luis Q. 1904. No index card available.
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Album caption: Ramona Valley. Index card: San Diego County, California. 1905. Notes: Panaroma with mwc00535 and mcw000536.


map background search result map search result map Water line near Fig Tree John's. San Diego County, California. circa 1905. General view of the Colorado Desert from knob back of Fig Tree John's. San Diego County, California. circa 1905. Seventeen Palm Springs. San Diego County, California. 1906. Panorama. Ramona Valley. San Diego County, California. 1905. Seventeen Palm Springs, Colorado Desert. San Diego County, California. 1905. Eroded Tertiary strata east of Seventeen Palm Springs, Colorado Desert. San Diego County, California. 1905. Seventeen Palm Springs, Colorado Desert. San Diego County, California. 1905. Outcrops of Tertiary clay beds near Seventeen Palm Springs, Colorado Desert. San Diego County, California. 1905. Panorama. Hog wallows on mesa back of San Diego. San Diego County, California. 1905. San Luis Rey Mission. San Diego County, California. circa 1905. Photomicrograph of Antietam quartzite from Strickler anticline; constituents are quartz and albite (white), muscovite (gray) and biotite (black); enlarged 15 X. Headquarters for tourmaline mine, Himalaya Mining Company, San Diego County, California. No Date. Mouth of west tunnel, Stewart Mine. Pala, San Diego County, California. 1904. Open cut in Himalaya Mine, showing ledge. Mesa Grande, San Diego County, California. 1904. Cut JKO showing dumps, Himalaya Mine. Mesa Grande, San Diego County, California. 1904. Cut JKO, Himalaya Mine. Mesa Grande, San Diego County, California. 1904. Showing ledge on western side of hill, Himalaya Mine. Mesa Grande, San Diego County, California. 1904. General view of large open cut, Himalaya Mine. Mesa Grande, San Diego County, California. 1904. Working the ledge on the western side of the hill, Himalaya Mine. Mesa Grande, San Diego County, California. 1904 Lower cut in Himalaya Mine. San Diego County, California. 1909. Photomicrograph of Antietam quartzite from Strickler anticline; constituents are quartz and albite (white), muscovite (gray) and biotite (black); enlarged 15 X. Headquarters for tourmaline mine, Himalaya Mining Company, San Diego County, California. No Date. Water line near Fig Tree John's. San Diego County, California. circa 1905. General view of the Colorado Desert from knob back of Fig Tree John's. San Diego County, California. circa 1905. Seventeen Palm Springs. San Diego County, California. 1906. Panorama. Ramona Valley. San Diego County, California. 1905. Seventeen Palm Springs, Colorado Desert. San Diego County, California. 1905. Eroded Tertiary strata east of Seventeen Palm Springs, Colorado Desert. San Diego County, California. 1905. Seventeen Palm Springs, Colorado Desert. San Diego County, California. 1905. Outcrops of Tertiary clay beds near Seventeen Palm Springs, Colorado Desert. San Diego County, California. 1905. Panorama. Hog wallows on mesa back of San Diego. San Diego County, California. 1905. San Luis Rey Mission. San Diego County, California. circa 1905. Mouth of west tunnel, Stewart Mine. Pala, San Diego County, California. 1904. Open cut in Himalaya Mine, showing ledge. Mesa Grande, San Diego County, California. 1904. Cut JKO showing dumps, Himalaya Mine. Mesa Grande, San Diego County, California. 1904. Cut JKO, Himalaya Mine. Mesa Grande, San Diego County, California. 1904. Showing ledge on western side of hill, Himalaya Mine. Mesa Grande, San Diego County, California. 1904. General view of large open cut, Himalaya Mine. Mesa Grande, San Diego County, California. 1904. Working the ledge on the western side of the hill, Himalaya Mine. Mesa Grande, San Diego County, California. 1904 Lower cut in Himalaya Mine. San Diego County, California. 1909.