National Ocean Service Aerial Photographs: Seward Peninsula Coastline - Flight Line 30

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.本航空摄影影像集共包含约1897帧彩色红外（color infrared）与天然彩色（natural color）透明正片。该影像集于1976年和1977年夏季为执行外大陆架环境评估计划开展航拍，飞行高度区间为5000至18400英尺。 影像文件名以ECR为前缀的为彩色红外影像，以CC/ZC为前缀的则为天然彩色影像。 该数据集按飞行航线归档。 本航空摄影影像集的该子数据集包含覆盖苏厄德半岛（Seward Peninsula）海岸线的飞行航线，涉及的航线编号为8-14与24-40。该子数据集共计846张影像，其中天然彩色影像281张，彩色红外影像565张。 该航拍影像可通过美国国家档案馆（National Archives）订购，或由国家海洋服务局（National Ocean Service）影像实验室进行复制。