Possible Clues:

• Pass the tree back about ten
• Bring into operation
• Use force to get the river a little right
• To force one tree about ten
• Do Trojan work for mystery man hidden by Hazel Back
• Number involved in tree-climbing exercise
• Bring into use, strength or influence
• Make effort, turning up dinosaur in rock after start of excavation
• Strive
• About ten in the tree up there