REFINE     Who What Where When     REMOVE Paleontology--Colorado--Tell … Balfour, Bayley, author WHAT Naturalists--Colorado (3) application/pdf (3) letters (correspondence) (3) WHERE Florissant Fossil Beds Na … (3) WHO Balfour, Bayley, author (3) WHEN Undated (2) 1911-03-27 (1)

REFINE  Browse All : Paleontology--Colorado--Teller County by Balfour, Bayley, author 1-3 of 3 Balfour, Bayley, author Letter from Isaac Bayle... Undated [letters (correspondenc...   Creator Balfour, Bayley, author Title Letter from Isaac Bayley Balfour to Theodore Cockerell Date Undated Format [letters (correspondence), application/pdf] Balfour, Bayley, author Letter from Isaac Bayle... Undated [letters (correspondenc...   Creator Balfour, Bayley, author Title Letter from Isaac Bayley Balfour to Theodore Cockerell Date Undated Format [letters (correspondence), application/pdf] Balfour, Bayley, author Letter from Isaac Bayle... 1911-03-27 [letters (correspondenc...   Creator Balfour, Bayley, author Title Letter from Isaac Bayley Balfour to Theodore Cockerell Date 1911-03-27 Format [letters (correspondence), application/pdf] 1-3 of 3

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