URL dokumen:
https://prisma.simaster.ugm.ac.id/karya_files/peta-geologi-lembar-jatisrono--1508-11---jawa-skala-1-50-000-dcfcd07e645d245babe887e5e2daa016/ede156ba-fe48-11ef-ae8a-e4434b0aa6de