Scientific Investigations Report 2009–5015
U.S. GEOLOGICAL SURVEY
Scientific Investigations Report 2009–5015

Figure 4. Screen captures from U.S. Geological Survey perennial streams model showing spatial pattern of stream network (pink pixels) in a selected area in region 8 derived from (A) Hortness (2006) 7Q2 regression equation and (B) revised 7Q2 regression equation for Idaho.