# Juckem, P.F., Clark, B.R., Feinstein, D.T., 2017, Simulation of Groundwater 
# Flow in the Glacial Aquifer System of Northeastern Wisconsin with Variable
# Model Complexity: U.S. Geological Survey Scientific Investigations 
# Report 2017-5010, xxx p., http://dx.doi.org/10.3133/sir20175010.

# Juckem, P.F., Clark, B.R., Feinstein, D.T., 2017, MODFLOW-NWT model used to evaluate 
# the potential effects of complexity on head and flow calibration in the Fox-Wolf-Peshtigo
# watersheds, Wisconsin: U.S. Geological Survey data release, 
# http://dx.doi.org/10.5066/F73J3B3P.
# 
# proj4: '+proj=utm +zone=16 +ellps= +datum=NAD83 +units=us-ft +no_defs'

upper_left  -89.847 45.977 
upper_right -87.301 45.838
lower_right -87.629 43.297
lower_left  -90.067 43.432