Queries the USGS 3DEP published lidar index and NOAA USIEI topographic lidar inventory. A catalog record is not a unique acquisition, acquired data, or a Reach Survey Event. Status/date/link labels are provider reports, not verified availability. No downloads, cross-catalog identity inference or repairs occur.

discover_survey_collections(study_area, max_records = 200L)

Arguments

study_area

One valid polygon sf with study_area_id.

max_records

Maximum records per catalog (1 to 500). Truncation is PARTIAL.

Value

List with study_area, records (sf), and searches (query evidence).