Complex sentence: Greatly interested by the finds, Woodward accompanied Dawson to the site where, although the two worked together between June and September 1912, Dawson alone recovered more fragments of the skull, and half of the lower jaw bone.
Split into simpler sentences: Greatly interested by the finds, Woodward was greatly interested by the finds, and accompanied Dawson to the site. Though the two worked together between June and September 1912, Dawson alone recovered more skull fragments and half of the lower jaw bone.