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81Published 1945Subjects: “...Zoos--Pennsylvania--McConnellsburg--Photographs...”
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82by Buonaccorsi, Vince P., Malloy, Jacob, Peterson, Mark, Brubaker, Kristen, Grant, Chris J.Subjects: “...Pennsylvania...”
Published 2017
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84
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85by United States. Works Progress Administration of Pennsylvania.Subjects: “...Bituminous coal--Pennsylvania--Maps...”
Published 1934
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86“... Formation (Cambrian Series 2, Stage 4 – Pennsylvania, USA) for nearly 100 years. Work over the last ten...”
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87“... (Cambrian Series 2, Stage 4 – Pennsylvania, USA) for nearly 100 years. Work over the last ten years, mainly...”
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88
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90by Dubey, J.P., Van Why, K., Verma, S.K., Choudhary, S., Kwok, O.C.H., Khan, A., Behinke, M.S., Sibley, L.D., Ferreira, L.R., Oliveira, S., Weaver, M., Stewart, R., Su, C.“... virginianus), and geese (Branta canadensis) from the state of Pennsylvania for T. gondii infection. Antibodies...”
Published in Veterinary Parasitology (2013)
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91“... Formation (Cambrian Series 2, Stage 4 – Pennsylvania, USA) for nearly 100 years. Work over the last ten...”
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92Early Cambrian brachiopods and other shelly fossils from the basal Kinzers Formation of Pennsylvania“... of Thomasville, Pennsylvania. The occurrence extends southwards the distribution of an Early Cambrian fauna...”
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93“... – Pennsylvania, USA) for nearly 100 years. Work over the last ten years, mainly on radiodont material from...”
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94
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95Early Cambrian brachiopods and other shelly fossils from the basal Kinzers Formation of Pennsylvania“... of Thomasville, Pennsylvania. The occurrence extends southwards the distribution of an Early Cambrian fauna...”
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96by United States. Works Progress Administration of Pennsylvania.Subjects: “...Bituminous coal--Pennsylvania--Maps...”
Published 1934
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97by United States. Works Progress Administration of Pennsylvania.Subjects: “...Bituminous coal--Pennsylvania--Maps...”
Published 1934
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98by United States. Works Progress Administration of Pennsylvania.Subjects: “...Bituminous coal--Pennsylvania--Maps...”
Published 1934
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99by United States. Works Progress Administration of Pennsylvania.Subjects: “...Bituminous coal--Pennsylvania--Maps...”
Published 1934
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100“... of the Appalachian metamorphic belt (1) near Jonestown, south-eastern Pennsylvania; (2) on Rensselaer Plateau...”
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