CREDIT FOR GRAPHICS

Dubuque

    City of Dubuque in 1880's - Photo by Jim Dockal, University of North Carolina at Wilmington

Mines of Spain

Julien Dubuque Monument

    Julien Dubuque Monument - Taken by Michelle Fager

Wetland and Natural Area

    Oak Savanna - Tallgrass Prairie Wildflowers ñ Frank Oberle

    Purple Cone Flower -http://www1.umn.edu/bellmuse/mnideals/prairie/fieldguide/index.html

    Black Eyed Susan - http://www1.umn.edu/bellmuse/mnideals/prairie/fieldguide/index.html

    New England Aster - Taken by Michelle Fager

    Blue Lobelia - Tallgrass Prairie Wildflowers ñ Frank Oberle

    Indian Grass - Tallgrass Prairie Wildflowers ñ Frank Oberle

    Big Blue Stem - http://www1.umn.edu/bellmuse/mnideals/prairie/fieldguide/index.html

    Goldenrod - Tallgrass Prairie Wildflowers ñ Frank Oberle

    Floating Trail - Taken by Michelle Fager

Horseshoe Bluff

    Cliff at Horseshoe Bluff Quarry - Taken by Michelle Fager

    Trilobite-http://www.brookes.ac.uk/geology/8361/1998/kirsty/envir.html#environment.htm

    Brachiopod - http://www.dc.peachnet.edu/~janderso/historic/brach.htm

    Crinoid - http://www.tyrrellmuseum.com/tour/crinoids.html

    Bryozoan - http://www.ucmp.berkeley.edu/bryozoa/bryozoamm.html

    Juniper - http://www.shannontech.com/ParkVision/KingsCanyon/KCPlants.html

Crystal Lake Cave

    Geologic Profile of Crystal Lake Cave - Crystal Lake Cave Pamphlet

    Development of Crystal Lake Cave - Crystal Lake Cave Pamphlet

    Crystal Lake - Photo by J. Mooney Photography

    Cross section view of Crystal Lake Cave - Photo by Bill Flagel

    The Lost Garden - Photo by J. Mooney Photography

    Honeycomb Pillars - Taken by Kate Biegler

    St. Pete's Dome - Taken by Kate Biegler

    Cave Flower - http://www.goodearthgraphics.com/virtcave/flowers/gypsum.html

    Helectite - http://www.bostongrotto.org/Grotto/pix/awh_wv.jpg

    Cave coral or popcorn - http://www.goodearthgraphics.com/virtcave/popcorn/popcorn.html

    Column - http://www.goodearthgraphics.com/virtcave/column/column.html

    Stalactite - http://www.bostongrotto.org/Grotto/pix/dreamland.jpeg

    Stalagmite - http://www.bubis.com/showcaves/english/explain/Speleothem/Stalagmite.html

    Drapery - http://www.goodearthgraphics.com/virtcave/drapery/drapery.html

    Flowstone - http://www.goodearthgraphics.com/virtcave/flowstone/flowstone.html