American Pacific Mining Nears Completion of Underground LiDAR Survey to Advance Madison Project Development

About this update from American Pacific Mining Corp.

[{"type":"text","content":" Vancouver, British Columbia--(Newsfile Corp. - April 28, 2026) - American Pacific Mining Corp. (CSE: USGD) (OTCQX: USGDF) (FSE: 1QC) (\"American Pacific\", or the \"Company\") is pleased to announce the initiation of a detailed underground survey program at its Madison Copper-Gold Project (\"Madison\" or the \"Project\") located near Silver Star, Montana. The Company has engaged Water & Environmental Technologies, Inc. (WET), in collaboration with Dengel Surveying, to complete a high-resolution control survey and LiDAR scan of the historical Madison Mine underground ramp. The program is designed to provide critical spatial data to support ongoing geological modeling, targeting, and future drill planning. Survey Program Overview The scope of work includes two primary components: Control Survey Establishing precise underground and surface control points Integrating surface control with underground survey control to ensure spatial accuracy Traversing the decline to approximately 800 feet from the mine entrance, near the current water level LiDAR Ramp Scan High-resolution 3D scanning of the underground ramp using the Emesent HVM100 system, designed for GPS-denied environments Placement of reflective targets to accurately geo-reference the dataset Generation of: Geolocated point cloud 3D mesh model Field work is expected to be completed in April 2026, with final deliverables anticipated within approximately three weeks following completion of field activities. Photo 1: Preliminary image of underground data captured during state-of-the-art survey. Strategic Rationale This survey represents a key step in advancing the Madison Project by: Establishing a high-precision 3D framework of existing underground workings Enhancing the Company's ability to integrate historical data with modern datasets Supporting refined targeting of deeper skarn and porphyry mineralization De-risking future drill collar positioning and underground access planning The resulting dataset will form a foundational component of the Company's evolving district-scale geological model, enabling improved interpretation of structural controls and fluid pathways associated with mineralization. Next Steps The Company will integrate the survey outputs into its 3D geological model and utilize the data to: Refine drill targeting beneath historical workings Evaluate potent...

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