Pearl River Estuary Region : South, Guangdong Sheng, China, 1749 (Raster Image)

This layer is a georeferenced raster image of the historic paper map entitled: Carte des isles qui sont a l'embouchure de la riviere de Canton : dressée sur les observations des navigateurs, par N.B., Ingr. ordre. de la Marine ; J.V. Schley, direx. It was published by Pierre de Hondt in 1749. Scale [ca. 1:500,000]. Covers the Zhujiang Kou region, Guangdong Sheng, China. Map in French and Dutch. The image inside the map neatline is georeferenced to the surface of the earth and fit to the Asia North Lambert Conformal Conic coordinate system. All map collar and inset information is also available as part of the raster image, including any inset maps, profiles, statistical tables, directories, text, illustrations, index maps, legends, or other information associated with the principal map. This map shows features such as drainage, cities and other human settlements, selected buildings and fortification, shoreline features, and more. Relief shown pictorially.This layer is part of a selection of digitally scanned and georeferenced historic maps from the Harvard Map Collection. These maps typically portray both natural and manmade features. The selection represents a range of originators, ground condition dates, scales, and map purposes.

Nile River Delta Region, Egypt, 1821-1823 (Raster Image)

This layer is a georeferenced raster image of the historic paper map entitled: Carte ancienne et comparée de la Basse Égypte, rédigé par M. le Colonel Jacotin et par M. Jomard, Membre de l'Institut ; d'après la Grande Carte Topographique levée pendant l'expédition de l'Armée Française par les ingénieurs géographes, les ingénieurs militaires et les ingénieurs des ponts et chaussées ; Blondeau Sct. It was published by Impr. Royale between 1821 and 1823. Scale 1:500,000. Covers the Nile River Delta Region, Egypt. Map in French.The image inside the map neatline is georeferenced to the surface of the earth and fit to the Egypt Red Belt projected coordinate system. All map collar and inset information is also available as part of the raster image, including any inset maps, profiles, statistical tables, directories, text, illustrations, index maps, legends, or other information associated with the principal map. This map shows features such as drainage, canals, cities and other human settlements, shoreline features, and more. Relief shown by shading and hachures. Harvard Map Collection copies contain manuscript historical annotations and corrections.This layer is part of a selection of digitally scanned and georeferenced historic maps from the Harvard Map Collection. These maps typically portray both natural and manmade features. The selection represents a range of originators, ground condition dates, scales, and map purposes.

Nile River & Red Sea Region, 1884 (Raster Image)

This layer is a georeferenced raster image of the historic paper map entitled: A map of the Nile, from the equatorial lakes to the Mediterranean : embracing the eastern Sûdan (Kordofan, Darfur &c.) and Abyssinia. It was published by E. Stanford in 1884. Scale [ca. 1:6,000,000). Covers the Nile River and Red Sea regions. The image inside the map neatline is georeferenced to the surface of the earth and fit to the Africa Sinusoidal projected coordinate system. All map collar and inset information is also available as part of the raster image, including any inset maps, profiles, statistical tables, directories, text, illustrations, index maps, legends, or other information associated with the principal map. This map shows features such as drainage, cities and other human settlements, territorial boundaries, shoreline features, roads, railroads, exploration routes, and more. Relief shown by hachures. This layer is part of a selection of digitally scanned and georeferenced historic maps from the Harvard Map Collection. These maps typically portray both natural and manmade features. The selection represents a range of originators, ground condition dates, scales, and map purposes.

Nile River & Red Sea Region, 1822 (Raster Image)

This layer is a georeferenced raster image of the historic paper map entitled: Carte générale de l'Egypte et de l'Arabie Pétrée, par A. H. Brué, Géographe de S.A.R. Monsieur. It was published by Chez l'auteur, Rue des Maçons Sorbonne, No. 9 in Mai 1822. Scale [ca. 1:2,350,000]. Covers the Nile River and Red Sea regions. Map in French.The image inside the map neatline is georeferenced to the surface of the earth and fit to the Egypt Red Belt projected coordinate system. All map collar and inset information is also available as part of the raster image, including any inset maps, profiles, statistical tables, directories, text, illustrations, index maps, legends, or other information associated with the principal map. This map shows features such as drainage, cities and other human settlements, territorial boundaries, shoreline features, historic sites and ruins, and more. Relief shown by hachures.This layer is part of a selection of digitally scanned and georeferenced historic maps from the Harvard Map Collection. These maps typically portray both natural and manmade features. The selection represents a range of originators, ground condition dates, scales, and map purposes.

Nile River & Red Sea Region, 1828 (Raster Image)

This layer is a georeferenced raster image of the historic paper map entitled: Carte historique, physique & politique de l'Egypte, dressée par le Ch.er Lapie, 1er Géographe du Roi, Officier supérieur au Corps Royal des Ingénieurs Géographes, d'après les itinéraires & les reconnaissances recueillis par MM. les Généraux Comtes Guilleminot, Tromelin & Fernig, ainsi que d'après ceux de MM. Pacho, Caillaud, Coste, Burckhardt, Irwin &c. et les travaux de la Commission d'Egypte, le tout appuyé sur les Observations Astronomiques de MM. Gauttier, Smith, Rüppel & Nouet ; gravé par Flahaut, Rue de l'Est, N°1 ; écrit par Hacq, Graveur du Dèpôt de la Guerre. It was published by Chez Ch. Picquet in 1828. Scale [ca 1:120,000]. Covers the Nile River and Red Sea regions. Map in French. The image inside the map neatline is georeferenced to the surface of the earth and fit to the Egypt Red Belt projected coordinate system. All map collar and inset information is also available as part of the raster image, including any inset maps, profiles, statistical tables, directories, text, illustrations, index maps, legends, or other information associated with the principal map. This map shows features such as drainage, cities and other human settlements, territorial boundaries, shoreline features, roads, historic sites and ruins, and more. Relief shown by hachures. Includes insets: "Plan d'Alexandrie" (1:50,000) and "Plan du Caire" (1:50,000).This layer is part of a selection of digitally scanned and georeferenced historic maps from the Harvard Map Collection. These maps typically portray both natural and manmade features. The selection represents a range of originators, ground condition dates, scales, and map purposes.

Nile River & Red Sea Region, ca. 1870 (Raster Image)

This layer is a georeferenced raster image of the historic paper map entitled: Egypt, Arabia Petraea, and lower Nubia, by Keith Johnston. It was published by William Blackwood & Sons ; W. & K. Johnston, ca. 1870. Scale [ca. 1:2,854,868]. Covers the Nile River and Red Sea regions.The image inside the map neatline is georeferenced to the surface of the earth and fit to the Egypt Red Belt projected coordinate system. All map collar and inset information is also available as part of the raster image, including any inset maps, profiles, statistical tables, directories, text, illustrations, index maps, legends, or other information associated with the principal map. This map shows features such as drainage, cities and other human settlements, territorial boundaries, shoreline features, roads, railroads, canals, wells, and more. Covers the Nile River and Red Sea regions.This layer is part of a selection of digitally scanned and georeferenced historic maps from the Harvard Map Collection. These maps typically portray both natural and manmade features. The selection represents a range of originators, ground condition dates, scales, and map purposes.

Nile River Delta Region, Egypt, 1855 (Raster Image)

This layer is a georeferenced raster image of the historic paper map entitled: Carte hydrographique de la Basse Égypte et d'une partie de l'Isthme de Suez où sont indiqués les travaux exécutés ou à exécuter, d'après les ordres de Son Altesse Mehémet-Ali, Vice-Roi d'Egypte. Avec le projet de communication directe des deux mers au travers de l'Isthme, par M. Linant de Bellefonds ; gravée par Schwaerzlé. It was published by Dépot Général de la Guerre de France in 1855. Scale 1:250,000. Covers the Nile River Delta region, Egypt. Map in French. The image inside the map neatline is georeferenced to the surface of the earth and fit to the Egypt Red Belt projected coordinate system. All map collar and inset information is also available as part of the raster image, including any inset maps, profiles, statistical tables, directories, text, illustrations, index maps, legends, or other information associated with the principal map. This map shows features such as drainage, canals, roads, railroads, cities and other human settlements, fortification, administrative boundaries, shoreline features, ruins and historical sites, and more. Relief shown by hachures. Includes also text, Profile de l'Isthme de Suèz, and notes.This layer is part of a selection of digitally scanned and georeferenced historic maps from the Harvard Map Collection. These maps typically portray both natural and manmade features. The selection represents a range of originators, ground condition dates, scales, and map purposes.

Nile River & Red Sea Region, 1810 (Raster Image)

This layer is a georeferenced raster image of the historic paper map entitled: Charte vom Nil Strome, oder Aegypten, Nubien und Habesch. It was published in 1810. Scale [ca. 1:7,000,000]. Covers the Nile River and Red Sea region. Map in German. The image inside the map neatline is georeferenced to the surface of the earth and fit to the Africa Lambert Conformal Conic projected coordinate system. All map collar and inset information is also available as part of the raster image, including any inset maps, profiles, statistical tables, directories, text, illustrations, index maps, legends, or other information associated with the principal map. This map shows features such as drainage, cities and other human settlements, territorial and administrative boundaries, shoreline features, caravan routes, and more. Relief shown by hachures. Includes notes.This layer is part of a selection of digitally scanned and georeferenced historic maps from the Harvard Map Collection. These maps typically portray both natural and manmade features. The selection represents a range of originators, ground condition dates, scales, and map purposes.

Nile River Delta & Suez Canal Region, Egypt, 1880 (Raster Image)

This layer is a georeferenced raster image of the historic paper map entitled: Carte de la basse Egypte et du canal maritime de Suez, dressée par Desbuissons ; gravé sur pier. et chrom. par P. Méa. It was published by E. Andriveau-Goujon in 1880. Scale 1:500,000. Covers the Nile River Delta and Suez Canal region, Egypt. Map in French.The image inside the map neatline is georeferenced to the surface of the earth and fit to the Africa Lambert Conformal Conic projected coordinate system. All map collar and inset information is also available as part of the raster image, including any inset maps, profiles, statistical tables, directories, text, illustrations, index maps, legends, or other information associated with the principal map. This map shows features such as drainage, cities and other human settlements, territorial boundaries, shoreline features, canals, railroads, selected buildings, cultivated and uncultivated lands, and more. Relief shown by hachures. Includes also insets: Plan d'Ismaïlia (1:25,000) -- Plan de la rade de Port Saïd et de l'embouchure du Canal dans la Méditerranée (1:60,000) -- Plan de la rade de Suez et de l'embouchure du Canal dans la Mer Rouge (1:60,000).This layer is part of a selection of digitally scanned and georeferenced historic maps from the Harvard Map Collection. These maps typically portray both natural and manmade features. The selection represents a range of originators, ground condition dates, scales, and map purposes.

Paleoecology, Diagenesis and Biological Affinity of Tetradiids in the Upper Ordovician (Sandbian) Black River Group of the Kingston Area, Ontario, Canada

Tetradiids are a group of colonial, tubular fossils that occur globally in Middle to Upper Ordovician strata. Tetradiids were first described as a type of tabulate coral; however, based on their four-fold symmetry, division, and presence of a central-sparry canal, they were recently reinterpreted as a florideophyte rhodophyte algae, a reinterpretation that is tested in this thesis. This study focused on understanding the affinity and taphonomy of this order of fossil. Research was conducted by stratigraphic and petrographic analyses of the Black River Group in the Kingston, Ontario region. Tetradiid occurrences were divided into fragment or colonial, with three morphologies of tetradiids described (Tetradium, Phytopsis and Paratetradium). Morphology is specific to depositional environment, with compact Tetradium consistently within ooid grainstones and open branching Phytopsis and chained Paratetradium consistently within mudstones. Two types of patch reefs were recognized: a Paratetradium bioherm, and a Paratetradium, Phytopsis, stromatolite bioherm. The presence of bioherms implies that tetradiids were capable of hypercalcifying. Preservation styles of tetradiids were investigated, and were compared to brachiopods, echinoderms, mollusks, and ooids. Tetradiids were preferentially preserved as molds and demonstrated complete dissolution of skeletal material. Rare specimens, however, demonstrated preserved horizontal partitions, central plates, and a double wall. Skeletal molds were filled with either calcite spar, mud or encrusted by a cryptomicrobial colony. Both calcitic and aragonitic ooids were discovered. The co-occurrence of aragonitic ooids, aragonitic crytodontids, and the evolution of aragonitic, hypercalcifying tetradiids is interpreted as representing the geochemical favoring of aragonite and HMC in a time of global calcite seas. The geochemical favoring of aragonite is interpreted to be independent to global Mg: Ca ratios, but was the result of increased saturation levels and temperature driven by high atmospheric pCO2. Based on the presence of epitheca, tabulae, septa, and the commonality of growth forms, tetradiids are interpreted as an order of Cnidaria. The evolution of an aragonitic skeleton in tetradiids is interpreted to be the result of de novo acquisition of a skeleton from an unmineralized clade.

Reconnaissance geology of the inner continental shelf, Cape Fear region, North Carolina /

"September 1979."

Geology and ground-water hydrology of the Heart River irrigation project and the Dickinson area,

Mode of access: Internet.

Geology of the central part of the Iron River district,

Mode of access: Internet.

Upper Snake River Basin: Wyoming, Idaho, Utah, Nevada, Oregon. Public hearings. Boise, Idaho, U. S. Dept. of the Interior, Bureau of Reclamation, Region 1.

Hearings held at Idaho Falls, Idaho, Dec. 7, 1960; Twin Falls, Idaho, Dec. 8, 1960; Caldwell, Idaho, Dec. 9, 1960.

Upper Snake River Basin: Wyoming, Idaho, Utah, Nevada, Oregon. Boise, Idaho, U.S. Dept. of the Interior, Bureau of Reclamation, Region 1.

Mode of access: Internet.