![The four-stage Black Brandt shown here blasting off from a launch pad at the Wallops Island Flight Facility in rural Virginia is at 66 feet (20 meters), the tallest of NASA's 13 The four-stage Black Brandt shown here blasting off from a launch pad at the Wallops Island Flight Facility in rural Virginia is at 66 feet (20 meters), the tallest of NASA's 13](https://c8.alamy.com/comp/2CRAD5X/the-four-stage-black-brandt-shown-here-blasting-off-from-a-launch-pad-at-the-wallops-island-flight-facility-in-rural-virginia-is-at-66-feet-20-meters-the-tallest-of-nasas-13-sounding-rockets-2CRAD5X.jpg)
The four-stage Black Brandt shown here blasting off from a launch pad at the Wallops Island Flight Facility in rural Virginia is at 66 feet (20 meters), the tallest of NASA's 13
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![Ground temperatures at depths between 33 and 66 feet (10 and 20 meters)... | Download Scientific Diagram Ground temperatures at depths between 33 and 66 feet (10 and 20 meters)... | Download Scientific Diagram](https://www.researchgate.net/profile/Katharine-Hayhoe/publication/292028114/figure/fig27/AS:614036982996993@1523409233135/Ground-temperatures-at-depths-between-33-and-66-feet-10-and-20-meters-for-boreholes.png)