1957 - NEVADA TEST SITE -- Rear view of a family-type shelter designed by the Federal Defense Administration. 3 steel reinforced concrete shelters with earth covering will be tested at pressure ranges of from 30 to 65 pounds per square inch. The escape hatch is shown, with cover in place. Above it is the air exhaust pipe, to the right is the tip of the air-intake pipe. National Nuclear Security Administration / Nevada Site Office
{"Image ImageWidth": "1426", "Image ImageLength": "1152", "Image BitsPerSample": "[8, 8, 8]", "Image PhotometricInterpretation": "2", "Image Orientation": "Horizontal (normal)", "Image SamplesPerPixel": "3", "Image XResolution": "300", "Image YResolution": "300", "Image ResolutionUnit": "Pixels/Inch", "Image Software": "Adobe Photoshop CC (Windows)", "Image DateTime": "2014:03:14 20:20:00", "Image ExifOffset": "232", "Thumbnail Compression": "JPEG (old-style)", "Thumbnail XResolution": "300", "Thumbnail YResolution": "300", "Thumbnail ResolutionUnit": "Pixels/Inch", "Thumbnail JPEGInterchangeFormat": "382", "Thumbnail JPEGInterchangeFormatLength": "5137", "EXIF ExifVersion": "0221", "EXIF ColorSpace": "Uncalibrated", "EXIF ExifImageWidth": "1426", "EXIF ExifImageLength": "1152"}