Geneva 15.7%. Of the agricultural land, 0.3% is used for growing crops. Of the water in the municipality, 0.2% is composed of lakes and 2.9% is rivers and streams. The altitude of Geneva is , and corresponds to the altitude of the largest of the Pierres du Niton, two large rocks emerging from the lake which date from the last ice age. This rock was chosen by General Guillaume Henri Dufour as the reference point for surveying in Switzerland. The second main river of Geneva is the Arve, which flows into the Rhône just west of the city centre. Mont Blanc
Geneva Country Day School workmanship, and social responsibility. The school battled with perceptions that it was elitist, and tried to sway locals by offering some free school classes to younger students. Local public school were motivated to compete with the Country Day School and soon offered more child-oriented schooling. The school was forced to close in 1939 due to low enrollment stemming from the Great Depression. The building was added to the National Register of Historic Places on August 21, 1989. It was home to the Fox River Valley chapter of the Red Cross before being rezoned as a private residence. The Geneva Country