TY - RPRT TI - Brittle structures and their role in controlling porosity and permeability in a complex Precambrian crystalline-rock aquifer system in the Colorado Rocky Mountain front range AU - Jonathan S. Caine AU - S.R.A. Tomusiak PY - 2003 DO - 10.1130/b25088.1 UR - https://pubs.usgs.gov/publication/70024933 ID - 70024933 ER -