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Low-altitude (70 m above ground level) aerial images were collected over five areas of interest within the northern portion of Assateague Island National Seashore (ASIS) in mid-October, 2022. These images were collected to generate photogrammetric products (e.g. digital surface model (DSM), reflectance orthomosaic) to support science and data needs of National Park managers attempting to locate invasive Phragmites australis expansion. A DJI Matrice 600 uncrewed aircraft system (UAS) was equipped with a MicaSense Altum-PT multispectral camera and a Ricoh GRII true-color RGB camera to collect images simultaneously with sufficient overlap for photogrammetric processing. Ground control points (GCPs), black and white...
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Wavy organic (Cryptozonic) bedding in Conococheague limestone. Location A 1, roadside quarry just north of Clear Spring. Williamsport quadrangle. Maryland. No date.
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Album caption: Columbia Formation on Potomac Formation, White Bluff, head of Chesapeake Bay. Maryland. n.d. Index card: White Bluff, 5 miles south of Havre de Grace.
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Cross section of Cryptozoon bed, Conococheague formation, near Charlton (C 64). Large Cryptozoon, 18 inches in diameter, with small Cryptozoon proliferum above. Williamsport quadrangle. Maryland. No date.
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Cross section of Cryptozoon bed, Conococheague formation, near Charlton (C 64). Large Cryptozoon, 18 inches in diameter, with small Cryptozoon proliferum above. Williamsport quadrangle. Maryland. no date.
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Large rougous white to reddish chert, at or near base of Waynesboro formation. Location A 37, two miles southwest of Clear Spring. Williamsport quadrangle. Maryland. No date.
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Crossbedded sandstone in Monogahela formation, on tram road to Tyson vein, 1 mile north of Lonaconing (B 71). Frostburg quadrangle. Maryland. No date.
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Hanging Rock, side view. Tuscarora sandstone at end of Sworn Mountain (A 12). Williamsport quadrangle. Maryland. No date.
Categories: Image; Tags: Maryland, Tuscarora, photo print
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Chesapeake and Ohio Canal National Historic Park, Maryland, Virginia, West Virginia. Detail of the most prominent anticline and adjacent synclines of the fluted rocks on Great Cacapon River. Plate 11, U.S. Geological Survey Folio 179.
    map background search result map search result map Columbia Formation on Potomac Formation, head of Chesapeake Bay. Maryland. No Date. Chesapeake and Ohio Canal National Historic Park, Maryland, Virginia, West Virginia. Chimney Rock on Catoctin Mountain, west of Thurmont. Catoctin Mountain Park, Maryland. No Date. West side of Chimney Rock on Catoctin Mountain. Catoctin Mountain Park, Maryland. No Date. Chimney Rock, viewed from the southeast. Catoctin Mountain Park, Maryland. No Date. Crossbedded sandstone in Monogahela formation, on tram road to Tyson vein, 1 mile north of Lonaconing (B 71). Maryland. No date. Cross section of Cryptozoon bed, Conococheague formation, near Charlton (C 64). Maryland. no date. Cross section of Cryptozoon bed, Conococheague formation, near Charlton (C 64). Maryland. No date. Large rougous white to reddish chert, at or near base of Waynesboro formation. Maryland. No date. Wavy organic (Cryptozonic) bedding in Conococheague limestone. Williamsport quadrangle, Maryland. No date. Multispectral aerial imagery collected during uncrewed aircraft systems (UAS) operations: Assateague Island National Seashore (ASIS), MD, October 10 - 14, 2022 Multispectral aerial imagery collected during uncrewed aircraft systems (UAS) operations: Assateague Island National Seashore (ASIS), MD, October 10 - 14, 2022 Chimney Rock on Catoctin Mountain, west of Thurmont. Catoctin Mountain Park, Maryland. No Date. West side of Chimney Rock on Catoctin Mountain. Catoctin Mountain Park, Maryland. No Date. Chimney Rock, viewed from the southeast. Catoctin Mountain Park, Maryland. No Date. Chesapeake and Ohio Canal National Historic Park, Maryland, Virginia, West Virginia. Columbia Formation on Potomac Formation, head of Chesapeake Bay. Maryland. No Date. Crossbedded sandstone in Monogahela formation, on tram road to Tyson vein, 1 mile north of Lonaconing (B 71). Maryland. No date. Cross section of Cryptozoon bed, Conococheague formation, near Charlton (C 64). Maryland. no date. Cross section of Cryptozoon bed, Conococheague formation, near Charlton (C 64). Maryland. No date. Large rougous white to reddish chert, at or near base of Waynesboro formation. Maryland. No date. Wavy organic (Cryptozonic) bedding in Conococheague limestone. Williamsport quadrangle, Maryland. No date.