Shows groundwater irrigation in the endorheic basin of San Luis Creek at the north end of the San Luis Valley in south-central Colorado. (Tim Kiser) Tags: sunny aridlandscape irrigationsystems southerncolorado viewfromanairplane aerialphoto saguachecountylandscape endorheicbasin img8199 irrigation saguachecountycolorado irrigationfarming sanluiscreek irrigationagriculture valley sangredecristorange southcolorado irrigationcircles mountains aeriallandscape aerialview saguachecounty southerncoloradolandscape sunnylandscape sangredecristomountains groundwaterirrigation aridarea southcentralcolorado 20190420 april2019 april closedbasin coloradolandscape mountainrange colorado snowcappedmountains sanluisvalley aerialphotograph 2019 farming sanluisclosedbasin txtchg