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California Recreational Fisheries Survey 1' Block-Box - R7 - CDFW [ds3260]

Published by California Department of Fish and Wildlife | State of California | Metadata Last Checked: January 27, 2026 | Last Modified: 2026-01-10T01:20:43.464Z
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 Block-boxes in this dataset extend inland to include many coastal areas, estuaries, and bays. Attributes: NM_INDEX: Unique identifier for each Block-box. 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 Block-box. Y: Latitudinal centroid of the Block-box.

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