Got CALICHE? You can pick up a few of these clues at the funky little Museum of Archaeology at Cedar Crest, on a dirt road just off State Highway 14, about 40 minutes east of Albuquerque. I called at this place not expecting any real enlightenment, but somehow, something clicked. The museum's time-line, depicting 12,000 years of American aboriginal civilisation, brings it all together. Citing the results of a yearlong study, state transportation officials said Thursday they can find nothing to validate claims that rerouting a south Minneapolis highway will disturb sacred ground. Four oak trees in the area that are believed by some American Indians to be sacred are too young to have been used for burial or other sacred ceremonies, the study said. The most significant historical collection of Western Frontier artifacts to be offered for sale in decades will hit the auction block this coming week. David J. Hall, author and historian of the American West, has announced his retirement and the immediate dispersal, at auction, of his vast collection of antique weapons, photographs, documents and other artifacts pertaining to the Western Frontier. The sale will take place on May 7th, 8th, and 9th in Pflugerville, Texas. The collection has been known and admired by two generations of historians, researchers, students and enthusiasts. Gov. Kenny Guinn has signed into law a bill creating special license plates to help finance a desert preserve on the ground where Las Vegas was born. SB204 also authorizes the board of the Las Vegas Valley Water District to establish and maintain the Big Spring Archaeological District. The 180-acre site near U.S. 95 and Valley View Boulevard contains the springs and meadows where 19th century travelers along the old Spanish Trail stopped and dubbed the place Las Vegas.