Marie watched this.

She had different knowledge and different decision-making frameworks.

Whether she consciously drew on the lessons of the 1811-1812 journey when making decisions in January and February and March of 1814 is not recoverable from the sources.

What can be said is that the person who crossed the Blue Mountains with two children in the winter of 1814 had already survived a transcontinental overland journey in conditions that were nearly as severe, and had done so while managing the same children through the same range of extreme situations.

The Snake River Country And What It Was