National Ocean Service Aerial Photographs: Seward Peninsula Coastline - Flight Line 25

This aerial photograph collection consists of about 1897 frames of color infrared and natural color transparencies. It was flown in the summers of 1976 and 1977 for the Outer Continental Shelf Environmental Assessment Program, at an altitude ranging from about 5,000 - 18,400 feet. ECR prefix indicates color infrared, and CC/ZC indicates natural color. It is filed by flight line. This subset of the aerial photograph collection includes flight lines that included coastline from the Seward Peninsula. Flight lines include numbers 8-14 and 24-40. There are 846 images in this subset, 281 natural color images and 565 color infrared images. The photography may be ordered from the National Archives or duplicated in the National Ocean Service photo lab.本航空摄影数据集包含约1897帧彩色红外（color infrared）与天然彩色（natural color）透明正片。该数据集于1976年和1977年夏季为外大陆架环境评估计划（Outer Continental Shelf Environmental Assessment Program）开展航拍作业，航拍高度范围约为5000至18400英尺。 ECR前缀代表彩色红外摄影，CC/ZC前缀代表天然彩色摄影。 该数据集按飞行航线（flight line）归档。 本次航空摄影数据集的该子集涵盖了覆盖苏厄德半岛（Seward Peninsula）海岸线的飞行航线，涉及航线编号为8至14以及24至40。该子集总计包含846幅影像，其中天然彩色影像281幅，彩色红外影像565幅。 该摄影影像可向美国国家档案与文件署（National Archives）订购，或在美国国家海洋服务局（National Ocean Service）的影像实验室进行复刻。