This page contains links leading to useful information about the geology and geology activities in the midwestern United States. It consists of mineral collectors, professional mineralogists and curators of public and private collections. N. Willow Road Ft. 4430 Trier Rd.
Admission is free.
Free Software Corpscon software converts geographic coordinates between systems. Examples would include Lat.- Longs into UTM's, NAVD29 to NAVD88 etc. It is highly recommended for these conversions. This is free software from the United States Army Corps of Engineers. The Stormwater Manager's Resource Center site contains a lot of free pages of technical content.