We have property that is on the end of the seismic line.  About 3-4 years ago an exploration company came out to drill holes in the seismic line and paid us for 3 holes on our property.  We have been approached with the same offer of 3oo/acre and 1/5 royalty.  We were wondering if we should expect more since we are on the seismic line.  Any insight would be appreciated.