3D X-ray computed tomography gray value and age model datasets of coral cores Baler 2 and 3 (Philippines) oleh Angel T. Bautista VII, Sophia Jobien M. Limlingan, Mary Margareth T. Bauyon, Arvin M. Jagonoy, Joseph Michael D. Racho, Jeff Darren G. Valdez, Araceli M. Monsada, Bee Jay T. Salon, Aldrin Jan E. Tabuso, John Kenneth C. Valerio, Edwin E. Dumalagan, Fernando P. Siringan