Meanwhile, state quarrying properties to be auctioned off are the 4,795-ha. Pinamungahan limestone project in Cebu, the 3,100-ha. Guihulngan limestone project in Negros Oriental, the 549-ha. Toledo limestone project in Cebu, the 332-ha. Bulacan silica project in Bulacan, the 115.22-ha. Talibon silica project in Bohol, and the 27-ha.