I have several decades of land surveying and civil engineering experience. I was first licensed in 1983 in Wyoming and Utah. In 1986 I became licensed in Arizona. I was appointed a United States Mineral Surveyor in 1986. I have been practicing Land Surveying in Arizona since 1990. I became a Certified Federal Surveyor in 2007. I have several decades of computer programming experience related to computer aided drafting and coordinate geometry. I am the pioneer in the use of Digital Signatures in Arizona for professional documents.