Suggest some hard rocking stuff I may not be aware of

Looking to broaden my listening material. You guys are as diverse as I am so I am looking for some suggestions for somethings I may have missed. Let's start with the early 70's. What have you got?
Comments
Humble Pie - Rockin the Fillmore
Alice Cooper - Killer
Black Sabbath - Paranoid
Blue Oyster Cult - Tyranny and Mutation
Captain Beyond - Captain Beyond
Deep Purple - Machine Head
Free - Fire and Water
Genesis - Foxtrot
Hawkwind - Doremi Fasol Latido
Jethro Tull - Aqualung
Led Zeppelin - IV
Montrose - Montrose
Nazareth - Loud'n'Proud
Rory Gallagher - Live in Europe
Spirit - Twelve Dreams of Dr Sardonicus
Uriah Heep - Demons and Wizards
Wishbone Ash - Argus
ZZ Top - Tres Hombres
The Who - Who's Next and Live At Leeds
Bachman Turner Overdrive - Not Fragile
Mountain - Mountain Climbing, Flowers of Evil, and Nantucket Sleighride
Robin Trower - Twice Removed from Yesterday
Deep Purple - In Rock and Made In Japan
Budgie - Probably Squawk, but otcconan would know best.
Aerosmith - Aerosmith
Slade - Alive
Edgar Winter - They Only Come Out At Night
- Ritchie Blackmore
UFO
Kansas
Pat Travers
Ted Nugent
Frank Marino
Deep Purple - Burn
Humble Pie - Rockin the Fillmore
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Good call on the Humble Pie~! :up: I love them. They are a forerunner to The Black Crowes.
Ten Years After "A Space In Time".
Grand Funk Railroad "Closer To Home" "Survival" "We're An American Band".
REO Speedwagon "REO Speedwagon"
Free "Fire And Water". "Heartbreaker".
Santana "Abraxas".
Alice Cooper "Love It To Death" "Killer".
Mountain "Climbing" "Nantucket Sleighride".
The Moody Blues "Every Good Boy Deserves Favour" "Seventh Sojourn".
Wings "Band On The Run".
Styx "Styx II".
Ted Nugent and The Amboy Dukes "Survival Of The Fittest".
Brownsville Station "Yeah".
The Guess Who "American Woman" "Share The Land".
Head East "Flat As A Pancake".
The Steve Miller Band "Living In The U.S.A." "The Joker".
The Velvet Underground "Loaded".
Lou Reed "Transformer".
Captain Beyond - First two albums
Leafhound - Growers of Mushroom
Lucifer's Friend - s/t
Flower Travelling Band - Satori
JPT Scare Band - Sleeping Sickness
Sir Lord Baltimoore - Kingdom Come
Procul Harum - A Salty Dog
Armageddon - s/t
Buffalo - Volcanic Rock
Warhorse - s/t
Blue Cheer - Vincebus Eruptum
Iggy and the Stooges 'Raw Power' is a brutal metallic sleaze-fest
Rory Gallagher 'Stage Struck' just overflows with burning hot guitar
Pink Faries 'Kings of Oblivion' was another 70's favorite that i didn't discover until the 80's
as was Dust who made two albums that are obscure but cool
Not as obscure is Jeff Beck group 'Truth' and 'Beck-Ola' if you haven't heard these, you're in for a treat