to the southwest part of the territory and, from he came pective, when out here, he really walked off the map. be the mission was to first american official to carry word of american ownership of this region to the american indian people were out here. to create a map of the region. to identify resources that were here in the american west. and to determine boundaries jefferson bought louisiana the boundaries were disputed, and the spanish would not have agreed with what thomas jefferson thought he had acquired. even if -- even if that dispute had happened. it was still not quite clear and e one country ended another country began because defined by river drainages and no one really knew where all the rivers went. coming lon pike was across the plain, he entered present-day colorado in november 1806. shortly after, in what we now think of as colorado, he could begin to see the mountain. what he called, grand peak. he identified the mountain as a location where he could get high enough and begin to understand how the rivers flow. if you look down onto the plains of the surrounding area

. >> that -- that color certainly has an important his pective and i think point about prohibition isne of the advocacy community has talked about pretty relentlessly. that is that we have had 80+ prohibition rijuana in this country and the results of that -- it is hard to show that it has been effective. marijuana use is still quite rampant. we have an inability of states control product or to really bring in the system at all. in the advocacy community say prohibition is failed, we need to try something else. we need to get states above, we need to give regulators about to try get a grip on this problem. so from that perspective, legalization is that is opening marijuana, es for control ying to behaviors around marijuana that have the ability to create social benefits or limit social costs. in colorado, you see industrial growth. going to see this in state surpassed those lost? on how l, it depends states regulated. there was a limit on the number of people could grow -- or the types of individuals who could grow. in colorado, you can only grow you are marijuana if an existing medic