# Publication
# Professional Paper 1770
# Paschke, S.S. (editor), 2011, Groundwater availability of the Denver 
# Basin Aquifer System: U.S. Geological Survey Professional Paper 1770, Chapters A-C, 274 p.
# https://pubs.er.usgs.gov/publication/pp1770
#
# Data release
# Banta, E.R., Paschke, S.S., and Litke, D.W., 2017, MODFLOW2000 model used to simulate the
# groundwater flow of the Denver Basin Aquifer system, Colorado.: U.S. Geological Survey 
# data release  
# https://doi.org/10.5066/F77W69PQ

# Geographic Coordinate System Datum: NAD83

upper_left	-105.24393 40.47377
upper_right	-103.65038 40.45967 
lower_right	-103.69706 38.66264
lower_left	-105.25039 38.67640