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California Recreational Fisheries Survey 1' Block-Box - Pre Jan 1, 2025 - R7 - CDFW [ds3153]

Published by California Department of Fish and Wildlife | State of California | Catalog Last Checked: April 27, 2026 at 07:49 PM | Dataset Last Updated: January 10, 2026 at 01:21 AM
These cells divide the 10-minute (10‘) grid or California trawl (Cal-Trawl) Blocks that are used in commercial fishing into 1-minute (1’) boxes. The California Recreational Fisheries Survey (CRFS) uses these Block-Box cells (commonly called Microblocks) as a reference for anglers to report location of recreational catch and effort data. The 1' Microblocks in this dataset extend inland to include many coastal areas, estuaries, and bays. Attributes: NM_INDEX: Unique identifier for each Microblock. Format is (10’ minute Block – 1’ minute Box). BLOCK10_ID: Identification number of the larger 10-minute Cal-Trawl Block. BLOCK1_ID: Numerical ID representing the number of the 1-minute box dividing each Cal-Trawl Block. X: Longitudinal centroid of the Microblock. Y: Latitudinal centroid of the Microblock.

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