montgomery county host:www.mgs.md.gov

Listing 1 - 10 from 20 for montgomery county

Maryland Geological Survey: The Great Falls of the Potomac, Montgomery County, MD
... Maryland Geological Survey: The Great Falls of the Potomac, Montgomery County, MD Maryland's Geologic Features The Great Falls of the Potomac, Montgomery County contact: Dale Shelton (dshelton@mgs.md.gov) The Great Falls ...
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Geologic Maps of Maryland: Great Falls gold district, Montgomery County, MD
... from a paper copy of the out-of-print and outdated 1953 Geologic Map of Montgomery County. Due to the age of this map, these images do not necessarily represent an accurate ... the geology of this area please see Montgomery County Detail 10 and Montgomery County Detail 11 from the 1968 Geologic Maps of Maryland. A topographic map (1973) of Montgomery County is available through our List of ...
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Geologic Maps of Maryland: Montgomery County Detail 10
... Geologic Maps of Maryland: Montgomery County Detail 10 Geologic Maps of Maryland Montgomery County Detail 10 (1968) contact: Jim Reger (jreger@mgs.md.gov) Caution: These images were scanned ... proper credit to Maryland Geological Survey when using these maps. A topographic map (1973) of Montgomery County is available through our List of Publications. Legend Click on a tile to display information ...
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Geologic Maps of Maryland: Montgomery County Detail 11
... Geologic Maps of Maryland: Montgomery County Detail 11 Geologic Maps of Maryland Montgomery County Detail 11 (1968) contact: Jim Reger (jreger@mgs.md.gov) Caution: These images were scanned ... proper credit to Maryland Geological Survey when using these maps. A topographic map (1973) of Montgomery County is available through our List of Publications. Legend Click on a tile to display information ...
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Maryland Geological Survey: Educational Resources
... Science, Board Room 601 Light St., Baltimore Rockville - Gem, Lapidary and Mineral Society Of Montgomery County, Maryland, Inc., PO Box 734 (20848-0734). Meetings: 2nd Monday of the month , 8 ... Mineral Show of the Gem, Lapidary, and Mineral Society of Montgomery County MD., Inc., March 10 - 11, 2007 at the Montgomery County Fairgrounds Silver Spring - Gem, Lapidary, and Mineral Society Of Washington, ...
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Maryland Geological Survey: Education Series
... District HTML 1968 Geologic maps of Maryland: Montgomery County detail 10 and Montgomery County Detail 11 HTML Gold and Other Minerals of Rock Run, Montgomery County, Maryland HTML Historic Mines of Chesapeake & ... x 11",including bibliography, referring to Fairfax County, Virginia, on the same gold vein that crosses the Potomac River from Montgomery County, Maryland.) $6.50 postage paid. Gold Mining ...
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Maryland Geological Survey: Gold in Maryland
... district. From the 1968 Geologic Maps of Maryland: Montgomery County Detail 10 Montgomery County Detail 11 From the 1953 Geologic Map Of Montgomery County and District of Columbia: Great Falls gold district ... the gold deposits of Montgomery County, Maryland, Maryland : Amer. Inst. Mining Eng. Trans. 18, p. 391-411. FROELICH, A.J., 1975, Mineral resources of Montgomery County, Maryland : U.S. Geol. ...
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Maryland Geological Survey: Maryland's Highest Waterfalls and Mountains
... Frederick County (Blue Ridge Mountains); Cunningham Falls State Park. Great Falls of the Potomac 76 ft. cascading 15 miles northwest of Nation's capital on the Potomac River, in Montgomery County; Great Falls Park, part of the George Washington Memorial Parkway. Muddy Creek Falls 54 ft. free-falling western Garrett County (Appalachian Plateau); in Swallow ...
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FactSheet 14 - Fossil, Rock, Gem and Mineral Clubs
... ; Severna Park Library Contact: George Houghton, (410)263-2954 Gem, Lapidary and Mineral Society of Montgomery County Meetings: 2nd Mon. (Sept-June), 7:30 pm; Rockville Senior Center, 1150 Carnation Drive, Rockville ...
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FactSheet 15 - Maryland’s Lakes and Reservoirs: FAQ
... County Gunpowder Falls Baltimore City water supply 1,500 90,100 Jennings Randolph Lake Garrett County North Branch Potomac River Flood control 952-965 130,900 Triadelphia Res. (Brighton Dam) Montgomery County Patuxent River Hydroelectric 800 32,300 Rocky Gorge Montgomery County ...
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