ORANGE COUNTY (View Regional Breakdown Map)
1927-01-01  C-113 Index Available Yes 1:18000  P  BW Northwest section of county. Not all photographs held in collection.    
1938-01-01  AXK-1938 Index Available Yes 1:20000    BW    
1947-01-01  GS-CP Index Available Yes 1:23600    BW Partial Coverage    
1947-01-01  C-11730 Index Available   1:63360  P  BW Not all photographs held in collection. 9"x 9" stereo-pair negatives; Oversize prints.    
1947-07-01  C-11351 Index Available Yes 1:24000  P  BW Northern and Western sections of county    
1952-06-01  PAI-LA Index Available   1:24000    BW Northwestern area of county    
1953-01-01  AXK-1953 Index Available Yes 1:20000  P  BW    
1953-02-01  C-18785 Index Available   1:14400  P  BW    
1954-11-18  PAI-40-2 Index Available   1:24000    BW Northwestern part of county; Newport Beach    
1955-05-01  C-21960 Index Available   1:14400  P  BW Western half only    
1955-08-19  PAI-OC-55 Index Available   1:14400 
1:0
1:0 		P  BW Partial Coverage    
1957-04-03  PAI-84V Index Available   1:14400  P  BW    
1958-01-01  C-23023 Index Available   1:36000  P  BW    
1959-04-01  C-23578 Index Available   1:24000 
1:20000 		P  BW Coastline from Dana Point to Seal Beach; Tustin    
1960-05-01  C-23870 Index Available Yes 1:14400  P  BW    
1960-08-01  PAI-127V-AND-PAI-136V Not Available   1:24000  P  BW    
1968-03-01  TG-2400 Index Available Yes 1:28800  P  BW Northern section of county (north of Katella)    
1970-01-02  AMI-OC-70 Index Available   1:36000    BW Pictorial Coverage    
1971-02-26  AMI-OC-71 Index Available   1:36000    BW Pictorial Coverage    
1972-01-05  AMI-OC-72 Index Available   1:36000    BW Pictorial Coverage    
1973-01-01  TG-7300 Index Available   1:24000  P  BW    
1974-12-01  TG-7400 Index Available   1:24000  P  BW    
1975-05-05  AMI-OC-75 Index Available   1:36000    BW Partial coverage. Pictorial coverage    
1975-07-01  TG-7500 Index Available   1:24000  P  BW Coastal only    
1976-01-23  TG-76V-2 Index Available   1:12000 
1:0
1:0 		P  BW Partial Coverage    
1976-02-21  AMI-OC-76 Index Available   1:36000    BW Partial coverage. Pictorial coverage    
1977-02-01  TG-7700 Index Available Yes 1:24000  P  BW    
1979-09-09  AMI-OC-79 Index Available   1:36000    BW Pictorial Coverage    
1980-01-01  USDA-FIRESCOPE Index Available   1:40000    Color Infrared    
1980-01-01  FIRESCOPE-III Index Available   1:24000  P  BW Partial coverage. Pictorial Coverage    
1981-03-15  AMI-OC-81 Index Available   1:36000    BW Pictorial Coverage    
1982-01-07  AMI-OC-82 Index Available   1:36000    BW Pictorial Coverage    
1982-10-01  TG-E2156 Index Available   1:36000    BW Partial Coverage    
1983-04-14  AMI-OC-83 Index Available Yes 1:36000    BW Pictorial Coverage    
1987-01-01  NAPP Not Available   1:40000    BW Color Infrared    
1988-01-21  88-044-03697 Not Available   1:32500    Color Northwest section of county    
1989-01-26  AMI-OC-89 Index Available   1:36000    BW Pictorial Coverage    
1991-10-28  AMI-OC-91 Index Available   1:36000    BW Pictorial Coverage    
1991-10-30  92-016-04369 Not Available   1:32500    Color Infrared Coastal only    
1992-01-01  NAPP-2C Not Available   1:40000    BW Color Infrared    
1998-01-01  NAPP-3C Index Available   1:40000    BW Color Infrared Pictorial Coverage    
2001-05-30  CCC-BQK-C Index Available Yes 1:12000    Color Coastal Area Only