Ancient Denvers: Scenes from the Past 300 Million Years of the Colorado Front RangeeBookAncient Denvers: Scenes from the Past 300 Million Years of the Colorado Front RangekaryaKirk JohnsonPenilaian: 4 dari 5 bintang4/5Simpan Ancient Denvers: Scenes from the Past 300 Million Years of the Colorado Front Range untuk nanti