33 CFR § 67.15-5 - Seismographic and surveying operations.

---
identifier: "/us/cfr/t33/s67.15-5"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "33 CFR § 67.15-5 - Seismographic and surveying operations."
title_number: 33
title_name: "Navigation and Navigable Waters"
section_number: "67.15-5"
section_name: "Seismographic and surveying operations."
chapter_name: "COAST GUARD, DEPARTMENT OF HOMELAND SECURITY"
subchapter_number: "C"
subchapter_name: "AIDS TO NAVIGATION"
part_number: "67"
part_name: "AIDS TO NAVIGATION ON ARTIFICIAL ISLANDS AND FIXED STRUCTURES"
positive_law: false
currency: "2026-03-24"
last_updated: "2026-03-24"
format_version: "1.1.0"
generator: "[email protected]"
authority: "14 U.S.C. 503, 544; 43 U.S.C. 1333; DHS Delegation No. 00170.1, Revision No. 01.4."
regulatory_source: "CGFR 58-17, 23 FR 3377, May 20, 1958, unless otherwise noted."
cfr_part: "67"
---


# 67.15-5 Seismographic and surveying operations.

All stakes, casings, pipes, and buoys, except bamboo poles and wooden stakes less than 2 inches in diameter, placed in the water to facilitate seismographic or surveying operations shall be marked, in the manner prescribed by the District Commander, for the safety of navigation.