Bermejo, Blanco Rivers, Argentina June 1998 New agricultural fields are seen in northwestern Argentina. The small city of San Ramon De La Nueva Oran is in the center of the image. The deforestation of this region of Argentina near the Bolivian border has increased since the mid 1980’s. The 330 mile (531 km) long Blanco River, which rises in the Andes Mountains of southeast Bolivia, is just to the right of the top center of the view. The Blanco River flows generally eastward out of the Andes foothills and passes just to the north of San Ramon De La Nueva Oran where it joins the Bermejo River. The San Francisco River is in the left center of the image and flows generally northeast before joining the Bermejo River. A railroad and highway connect the city of San Ramon to cities further to the east. The city is a major commercial center for this region of Argentina