# Earth Science (ESCI) — Spring 2027 schedule College of the Siskiyous · 2 sections · Seat counts as of 2026-10-20 Source: https://reg-prod.cloud.siskiyous.edu/StudentRegistrationSsb/ssb/term/termSelection?mode=search Term dates: Jan 25, 2027 – May 20, 2027 (from the sections' dates) · 5 sessions, with dates: /c/college-of-the-siskiyous/schedule/spring-2027/index.json · Academic calendar: https://www.siskiyous.edu/calendars/ Course descriptions: 2026-2027 catalog, /c/college-of-the-siskiyous/catalog/2026-2027/courses/esci.md ## ESCI 0850 — Geology of Lava Beds National Monument (0.5 units) | CRN | Section | Format | Meets | Dates | Instructor | Seats | | --- | --- | --- | --- | --- | --- | --- | | 3080 | 01 | In person | Class: Wed/Fri 6:00–9:00pm, Science Building 7-216 (Apr 28–Apr 30); Lab: Sat 7:25am–5:15pm, Field Trip on May 1 | Apr 28–May 1 | William Hirt | 28 of 28 open | ## ESCI 1140 — Oceanography (3 units) | CRN | Section | Format | Meets | Dates | Instructor | Seats | | --- | --- | --- | --- | --- | --- | --- | | 3081 | 01 | Online anytime | Online, no set time | Jan 25–May 20 | Randal Reed | 30 of 33 open |