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ianw1951: Arizona, Petrified Forest National Park, Agate Bridge IMG_9618
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ianw1951: Arizona, Petrified Forest National Park, Blue Mesa trail IMG_9637
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ianw1951: Arizona, Petrified Forest National Park, Crystal Forest IMG_9611
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ianw1951: Arizona, Petrified Forest National Park, Crystal Forest IMG_9613
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ianw1951: Arizona, Petrified Forest National Park, Giant Logs trail IMG_9576
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ianw1951: Arizona, Petrified Forest National Park, Giant Logs trail IMG_9584
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ianw1951: Arizona, Petrified Forest National Park, Giant Logs trail IMG_9585
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ianw1951: Arizona, Petrified Forest National Park, Giant Logs trail IMG_9592
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ianw1951: Arizona, Petrified Forest National Park, Giant Logs trail IMG_9593
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ianw1951: Arizona, Petrified Forest National Park, Giant Logs trail IMG_9594
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ianw1951: Arizona, Petrified Forest National Park, Long Logs trail IMG_20181101_141350
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ianw1951: Arizona, Petrified Forest National Park, Long Logs trail IMG_9598
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ianw1951: Arizona, Petrified Forest National Park, Long Logs trail IMG_9599
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ianw1951: Arizona, Petrified Forest National Park, Long Logs trail IMG_9602
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ianw1951: Arizona, Petrified Forest National Park, Long Logs trail IMG_9607
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ianw1951: Belemnite in mall floor tile IMG_20180103_123447
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ianw1951: Canberra, National Rock Garden Queensland rock. Devonian Chinaman Creek Limestone IMG_5243
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ianw1951: Canberra, National Rock Garden Queensland rock. Devonian Chinaman Creek Limestone IMG_5244
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ianw1951: Carboniferous limestone & shale, Bundoran P10300451
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ianw1951: Carboniferous spiriferid in shale, Bundoran P10300452
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ianw1951: Chicago, Field Museum IMG_6013
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ianw1951: Chicago, Field Museum, Evolving Planet Exhibition, Cenozoic mammals IMG_6040
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ianw1951: Chicago, Field Museum, Evolving Planet Exhibition, Cenozoic mammals IMG_6045
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ianw1951: Chicago, Field Museum, Evolving Planet Exhibition, Cenozoic mammals IMG_6047
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ianw1951: Chicago, Field Museum, Evolving Planet Exhibition, Cenozoic mammals IMG_6048
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ianw1951: Chicago, Field Museum, Evolving Planet Exhibition, Devonian placoderm IMG_6019
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ianw1951: Chicago, Field Museum, Evolving Planet Exhibition, first multicellular life IMG_6016
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ianw1951: Chicago, Field Museum, Evolving Planet Exhibition, Jurassic-Cretaceous dinosaurs IMG_6030
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ianw1951: Chicago, Field Museum, Evolving Planet Exhibition, Jurassic-Cretaceous dinosaurs IMG_6031
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ianw1951: Chicago, Field Museum, Evolving Planet Exhibition, Jurassic-Cretaceous dinosaurs IMG_6032