Got CALICHE?,1249,75001906,00.html? Just a few days ago, Willy and Leah, using white chalk or perhaps gypsum stone, printed their names in big letters right next to some American Indian etchings that have endured for centuries. This type of graffiti is very offensive to Native Americans and impedes the public's opportunity to enjoy these natural resources, Bureau of Land Management District archaeologist Stanton Rolf said last week. We are trying to manage the lands and preserve the past. It is the Native American culture that we're trying to preserve. The railroad depot turned museum was the focal point for the society's efforts and housed documents about every part of the town's history. But, because of the value of the materials and the former depot itself, the society could not afford fire insurance. Police arrested Kenneth Gerldon, 13, and Corey Nida, 15, about 45 minutes after arriving at the museum. Officers found the boys hiding in tall grass about 250 feet from the fire, Police Chief Rick Reier said. He said the boys had confessed to the fire and said they had burned papers inside the building, but said they had not intentionally set the building on fire. This is the most significant site related to pottery that has been found in the city, said city archaeologist Pamela Cressey. On some of the unglazed shards, you can still see the fingerprints of the potter. The site is perhaps the most important archeological dig in Japan. The excavations have aroused enormous interest in Japan, where archeology is a national craze. Japan spends more than $1 billion annually in public funds to excavate some 13,000 sites each year, archeology books become best sellers, and leading experts often appear on television. North Korea claims that it, not Africa, is where humans first appeared. South Koreans believe that it was their emigrants who brought civilization to Japan and that a Korean clan probably founded the Japanese imperial family. Chinese suggest that Xu Fu, an ancient Chinese envoy who was sent to Japan in the third century B.C., became the first Japanese emperor, Jimmu. These theories have not been a big hit in Japan. While modern Japanese feel pride in Jomon achievements, analysis of skeletons suggests that the Jomon did not look like modern Japanese.