🏞️Δ🌊

#delta symbol #greek letter #river geography #landform name #water body #sedimentation #river geology

🇨🇴🏞️〰️⬆️

#magdalena river #rio magdalena #longest river colombia #river geography #north flow #andes to caribbean #water course

🏞️↗🧭

#maumee river #upside down river #northeast flow #river geography #indiana river #ohio geography