Thanks! It seemed a little dull after I posted it. I didn’t frequent that BBS when it was around (area of 25 years ago) and didn’t get the joke until I saw a used paperback of that title. :’)
These archaeologists most definitely do not want to disturb the buried Chamber of the Hunters, nor press the wrong lever in the Control Room.
They may not survive the one; and Stonehenge may not survive bearing the weight of a landing's landing any more, now that so many stones are either down or tilted.