FOR THE CLASSROOM Definitions Close-range photography – images taken within 300 meters of the subject Conventional aerial photography – images taken with a camera from either a conventional aircraft or satellite Photogrammetry – the science and technology of obtaining reliable measurements from either film-based or digital photography Stereoscopic image – a three-dimensional view created by taking a series of overlapping pictures Tracksite - an area that contains both tracks and trackways Trackway – several tracks made by the same individual Track - a single footprint Web Links Red Gulch Dinosaur Tracksite: http://www.wy.blm.gov/rgdt/index.htm History of photogrammetry http://www.ferris.edu/htmls/academics/course.offerings/burtchr/sure340/notes/History.pdf American Society for Photogrammetry & Remote Sensing http://www.asprs.org/resources.html GIS activities for kids http://gislounge.com/features/aa062701a.shtml http://www.wy.blm.gov/gis/ Information about aerial photography http://mac.usgs.gov/mac/isb/pubs/booklets/aerial/aerial.html Information on dinosaur tracks http://www.emory.edu/COLLEGE/ENVS/research/ichnology/dinotracks.htm http://www.uc.edu/geology/geologylist/dinotracks.html University of Wyoming Museum / Science Behind the Study of Dinosaurs http://www.uwyo.edu/geomuseum/ http://www.uwyo.edu/geomuseum/news/sciencebook.htm