1 GJB Engineering in Virginia charges $50 an hour for administrative work, $85 an hour for a surveying draftsman, $100 an hour for a technician, $150 an hour for a professional surveyor and $140 an hour for a two-person surveying crew. 2  Total costs depend on the type and complexity of survey. GJB Engineering in Virginia charges $50 an hour for administrative work, $85 an hour for a surveying draftsman, $100 an hour for a technician, $150 an hour for a professional surveyor and $140 an hour for a two-person surveying crew. 2  Total costs depend on the type and complexity of survey.
Think of the mantle like a peanut butter sandwich. You have the two pieces of bread and the peanut butter between them. In the mantle, we have two layers of solid rock with heated flowing rock between them.Next is the outer core. This is about 3,000 miles beneath the Earthâs surface. The outer core consists of super-heated liquid molten lava.
What are the main two metals making up the earth's core? A: The Earth's core is made up primarily of the metals nickel and iron. The inner core is mostly iron, while the outer core is composed of both nickel and iro... Full Answer >