| 41. | "He said he'd left Phoenix that morning and was headed to Organ Pipe Cactus National Monument.
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| 42. | Pinacate and Organ Pipe officials completed the border's first binational, environmental impact studies of illegal activities.
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| 43. | Operating for nearly 60 years, the ranch is now part of Organ Pipe Cactus National Monument.
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| 44. | If dynamic similarity holds for both resonances, the latter equation suggests how organ pipes are scaled.
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| 45. | The chancel occupies one corner of the space with the organ pipes in the wall above.
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| 46. | High Wednesday 78 at Organ Pipe Cactus Az
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| 47. | There is no electric amplification, as the sound is produced acoustically straight from the organ pipes.
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| 48. | ORGAN PIPE CACTUS NATIONAL MONUMENT-This was hard work.
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| 49. | High Friday 77 at Organ Pipe Cactus Az.
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| 50. | Inside the entrance to the south room is an intricately motifs that supports the organ pipes.
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