----------------------------Original message---------------------------- Gerald I. Evenden notes that in removing historic sites and prehistoric ruins from topographic maps we may be emulating countries practicing "cartographic disinformation." Understandably, he laments such action. As an archaeologist, my feelings are quite a bit more mixed on the matter. The rate of site destruction is staggering, and pothunters sometimes fetch astronomical prices for looted material. Putting the precise location of archaeological sites on general maps is functionally similar to adding a symbol for buried treasure--with predictable results. Prehistoric sites become moonscapes, dotted with craters and spoil heaps. As a more general question for the cartographic community, is it "cartographic disinformation" to leave some information off a map, as opposed to adding spurious information or other forms of misinformation? I had thought one of the central decisions in compiling a map was choosing which pieces of information should be included, which passed over in its preparation. I'm not sure I understand why leaving off the location of archaeological sites is "disinformation," any more than failing to note the location of unusually good hamburger stands or other resources. Many archaeological sites are not highly visible, so I'm not convinced they serve as critical landmarks. I spent some time working in eastern Europe before the wall came down, and the level of cartographic control was, well, different. I remember using a theodolite and discovering that two points were each higher than the other, and spending a week trying to get the thing readjusted (not a task I recommend, by the way). Finally the county surveyor came out, and lost patience as I was levelling the theodolite. He (literally) slapped a sherd down over the levelling bubble and then started shooting topographic control points so fast that the rod man could hardly get the rod tip down before he was being waved forward. AFter a while I couldn't stand it any more, and told the rod man to hold up while I checked a reading. Not even close. The surveyor laughed delightedly and said "trust is a wonderful thing. Control is a better one." The maps he sent us were works of art. Take that any of several ways. Alex Barker Curator of Archaeology Dallas Museum of Natural History [log in to unmask]