Series of seven small photos of Ross Field. Photos are numbered as follows: a. Part of a building on left with San Gabriel Mountains very prominent in background; b. two balloons on the ground; c. airplane landing on what looks like an airstrip (barely visible): d. Balloon a few feet off ground in the distance; e. Man in uniform climbing the side of a mountain; f. Building; g. Balloon a few feet above the ground with many people standing on the ground looking toward it.

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