What does SHD stand for?

Sandhill Decline - Citrus blight

Scottish Home Department (ILCA)

Second Harmonic Distortion (IAA)

Shade

Shadow - NCIC firearms make code (NCIC)

Shahrud - Iran - Seismograph station code, US Geological Survey (SEIS)

Shenandoah Downs - Horse racing entrants (HRTC)

Sherwood Brands, Inc. - AMEX symbol (NASQ)

Sherwood Group - NYSE symbol (SAG)

Shield Development - Vancouver Stock Exchange symbol

Shifted (SAUS)

Ship's Diver - Navy - British

Shode

Shona - Language code (ETLW)

Short Haired Domestic - Non-pedigree cat (SPVS)

Should (ROG)

Shroud (AAG)

Silo Hardsite Defense

Single Hight Density (SAUS)

Slant Hole Distance - Nuclear energy (OA)

Social Handling Designator (SAUS)

Society for the History of Discoveries (EA)

Special Handling Designator (MCD)

Special High-Duty (SAUS)

State Highway Departments - A publication (AAGC)

State Hydroelectric Department (SAUS)

Staunton - Virginia - Airport symbol (OAG)

Staunton/Waynesboro/Harrisonburg, VA - Location identifier - FAA (FAAL)

Storage, Handling and Distribution (SAUS)

Sudden Heart Death - Medicine (DMAA)

Super Heavy Duty (SAUS)

Super High Duty (SAUS)

Supersonic High Diver (SAUS)

Syphilitic Heart Disease (MELL)

Shoulder (IDYL)