USGS Scientific Investigations Report 2012–5017  - Geomorphic Setting, Aquatic Habitat, and Water-Quality Conditions of the Molalla River, Oregon, 2009

Table 7. Aerial imagery used in spatial analysis of the Molalla River, Oregon, flood plain. 

[Abbreviations: BW, black and white; USDA, U.S. Department of Agriculture, USGS, U.S. Geological Survey; DOQ, digital orthophotograph quads; NAIP, National Agriculture Imagery Program] 

Year	Type of imagery	Imagery source	Image dates
1936	Aerial photograph (BW)	1936 U.S. Army Corps of Engineers	Apr. 29, 1936
1948	Aerial photograph (BW)	1948 Production and  Marketing Administration (PMA), USDA	July 13, 1948
1964	Aerial photograph (BW)	1964 Northern Lights	Sept. 23–24 and 27, 1964
1970	Aerial photograph (BW)	1970 Agricultural Stabilization and  Conservation Service (ASCS), USDA	June 25, 1970
1980	Aerial photograph (BW)	1980 Agricultural Stabilization and  Conservation Service (ASCS), USDA	April 30 and May 4, 1980
1988	Aerial photograph (BW)	1988 Northern Lights	June 24, July 9, and Sept. 3, 1988
1994	Orthophotograph (BW)	1995 USGS DOQ	June 20, 1994
2000	Orthophotograph (BW)	2000 USGS DOQ	July 24–Aug 5, 2000
2005	Orthophotograph (color)	2005 NAIP	Aug. 3–4, 2005
2009	Orthophotograph (color)	2009 NAIP	June 23, 2009

Geomorphic Setting, Aquatic Habitat, and Water-Quality Conditions of the Molalla River, Oregon, 2009–10

Geomorphic Setting, Aquatic Habitat, and Water-Quality Conditions of the Molalla River, Oregon, 2009–10 