Poisonous to touch Poison ivy Poison oak Poison sumac Death lily, Death camas Water hemlock Poisonous to ingest
Obstructions Fording Width Wading across Pole assisted crossing Traveling along the shoreline Pivot crossing Rope bridge Flotation aides
Types Environment Terrain Animal life Amazon Rainfall Obstacles to travel Visibility Movement Equipment Survival platforms Insects, leeches, snakes Poisonous vegetation Survival food Time-distance Route selection Navigation Vehicle travel Orienteering If lost Night travel Rope River travel First aid Heat disorders
Emergency boat Canoe & kayak Obstacles Canoe strokes River boating Navigation River rafting One man raft Paddling a raft Emergency rafting Emergency raft River hydraulics River currents Flotation devices Marine radio Trailering your boat de-mussel Hypothermia Eurasian Watermilfoil Zebra mussels Quagga mussels
Currents Wave patterns Looking for land Wind Estimating distance Sea birds Sextant Ocean survival Open sea travel Weather dangers Hurricanes Downbursts Abandoning ship Drown proofing Life preserver Survival raft Cold water exposure Adrift at sea Dangers of coral Landing Rip currents Polar regions The Medusa Tides Red tide