https://www.usa.gov/copyrighted-government-workshttps://www.rawpixel.com/image/3322621Edit ImageSaveSaveEditCropCustom TextA serial atmospheric physics laboratory cruises near Mount Rainier collecting atmospheric samples which will be analyzed to determine the dispersion of a tracer material in the atmosphere, c. 1970. Original public domain image from FlickrMorePublic DomainFree CCO U.S. Government image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 1200 x 956 px | 300 dpiLarge JPEG 3200 x 2548 px | 300 dpiFree DownloadA serial atmospheric physics laboratory cruises near Mount Rainier collecting atmospheric samples which will be analyzed to determine the dispersion of a tracer material in the atmosphere, c. 1970. Original public domain image from FlickrMore